./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.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_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/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_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/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_79d8b138-ef31-480a-b272-092b350d229e/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 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:41,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:41,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:41,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:41,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:41,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:41,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:41,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:41,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:41,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:41,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:41,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:41,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:41,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:41,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:41,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:41,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:41,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:41,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:41,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:41,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:41,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:41,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:41,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:41,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:41,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:41,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:41,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:41,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:41,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:41,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:41,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:41,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:41,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:41,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:41,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:41,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:41,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:41,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:41,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:41,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:41,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:45:41,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:41,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:41,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:41,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:41,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:41,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:41,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:41,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:41,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:41,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:41,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:41,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:41,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:41,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:41,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:41,348 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:41,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:41,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:41,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:41,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:41,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:41,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:41,349 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:41,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:41,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:41,350 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_79d8b138-ef31-480a-b272-092b350d229e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e [2021-11-23 15:45:41,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:41,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:41,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:41,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:41,675 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:41,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-11-23 15:45:41,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/b909f20f8/dc526cedc8e64240bcf03408d26bbb83/FLAGa4506d0c1 [2021-11-23 15:45:42,518 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:42,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-11-23 15:45:42,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/b909f20f8/dc526cedc8e64240bcf03408d26bbb83/FLAGa4506d0c1 [2021-11-23 15:45:43,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/b909f20f8/dc526cedc8e64240bcf03408d26bbb83 [2021-11-23 15:45:43,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:43,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:43,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:43,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:43,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:43,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:43" (1/1) ... [2021-11-23 15:45:43,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddb73f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:43, skipping insertion in model container [2021-11-23 15:45:43,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:43" (1/1) ... [2021-11-23 15:45:43,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:43,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:43,996 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_79d8b138-ef31-480a-b272-092b350d229e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-11-23 15:45:44,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:44,366 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:44,563 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_79d8b138-ef31-480a-b272-092b350d229e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-11-23 15:45:44,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:44,796 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:44,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44 WrapperNode [2021-11-23 15:45:44,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:44,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:44,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:44,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:44,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:44,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:44,967 INFO L137 Inliner]: procedures = 134, calls = 555, calls flagged for inlining = 53, calls inlined = 50, statements flattened = 1647 [2021-11-23 15:45:44,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:44,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:44,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:44,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:44,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:44,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:45,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:45,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:45,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:45,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:45,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:45,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:45,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:45,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:45,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:45,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:44" (1/1) ... [2021-11-23 15:45:45,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:45,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:45,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:45,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2021-11-23 15:45:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2021-11-23 15:45:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:45:45,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:45:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2021-11-23 15:45:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2021-11-23 15:45:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:45:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2021-11-23 15:45:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2021-11-23 15:45:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 15:45:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 15:45:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:45:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:45:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:45:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:45:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:45:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 15:45:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 15:45:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:45:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:45:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-11-23 15:45:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-11-23 15:45:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:45:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:45:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2021-11-23 15:45:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2021-11-23 15:45:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:45:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:45:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:45:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:45:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:45:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:45:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:45:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2021-11-23 15:45:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2021-11-23 15:45:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:45:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:45:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:45:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:45:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:45:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:45:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:45:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:45:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:45:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2021-11-23 15:45:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2021-11-23 15:45:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:45:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2021-11-23 15:45:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2021-11-23 15:45:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 15:45:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:45:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:45:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2021-11-23 15:45:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2021-11-23 15:45:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:45:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:45:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:45:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:45:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:45:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:45:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2021-11-23 15:45:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2021-11-23 15:45:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:45:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:45:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:45:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:45:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:45:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:45:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-23 15:45:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-23 15:45:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2021-11-23 15:45:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2021-11-23 15:45:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2021-11-23 15:45:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2021-11-23 15:45:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:45:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:45:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:45:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:45,703 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:45,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:46,163 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:45:46,168 INFO L158 Benchmark]: Toolchain (without parser) took 3110.34ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 73.3MB in the beginning and 56.3MB in the end (delta: 16.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-11-23 15:45:46,168 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:46,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1742.79ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 73.0MB in the beginning and 92.4MB in the end (delta: -19.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:46,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.17ms. Allocated memory is still 138.4MB. Free memory was 92.4MB in the beginning and 81.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:46,171 INFO L158 Benchmark]: Boogie Preprocessor took 181.77ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 72.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:46,172 INFO L158 Benchmark]: RCFGBuilder took 1014.09ms. Allocated memory is still 138.4MB. Free memory was 72.0MB in the beginning and 56.3MB in the end (delta: 15.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-23 15:45:46,175 INFO L339 ainManager$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 79.7MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1742.79ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 73.0MB in the beginning and 92.4MB in the end (delta: -19.4MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.17ms. Allocated memory is still 138.4MB. Free memory was 92.4MB in the beginning and 81.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.77ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 72.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1014.09ms. Allocated memory is still 138.4MB. Free memory was 72.0MB in the beginning and 56.3MB in the end (delta: 15.7MB). Peak memory consumption was 22.9MB. 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 15:45:46,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/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_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/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_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/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_79d8b138-ef31-480a-b272-092b350d229e/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 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:48,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:48,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:48,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:48,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:48,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:48,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:48,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:48,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:48,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:48,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:48,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:48,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:48,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:48,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:48,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:48,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:48,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:48,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:48,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:48,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:48,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:48,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:48,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:48,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:48,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:48,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:48,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:48,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:48,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:48,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:48,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:48,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:48,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:48,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:48,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:48,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:48,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:48,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:48,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:48,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:48,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:45:48,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:48,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:48,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:48,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:48,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:48,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:48,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:48,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:48,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:48,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:48,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:48,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:48,816 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:48,817 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:48,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:48,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:48,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:48,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:48,818 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:48,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:48,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:48,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:48,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:48,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:48,819 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:48,819 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:48,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:48,819 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:48,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:48,820 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_79d8b138-ef31-480a-b272-092b350d229e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e [2021-11-23 15:45:49,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:49,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:49,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:49,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:49,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:49,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-11-23 15:45:49,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/ace22a7d4/6b539e67800e4a0e8fb84cec71857471/FLAG107a02f71 [2021-11-23 15:45:50,320 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:50,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-11-23 15:45:50,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/ace22a7d4/6b539e67800e4a0e8fb84cec71857471/FLAG107a02f71 [2021-11-23 15:45:50,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/data/ace22a7d4/6b539e67800e4a0e8fb84cec71857471 [2021-11-23 15:45:50,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:50,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:50,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:50,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:50,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:50,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5d56c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50, skipping insertion in model container [2021-11-23 15:45:50,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:50,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:51,665 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_79d8b138-ef31-480a-b272-092b350d229e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-11-23 15:45:52,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:52,211 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:45:52,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:52,432 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_79d8b138-ef31-480a-b272-092b350d229e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-11-23 15:45:52,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:52,579 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:52,771 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_79d8b138-ef31-480a-b272-092b350d229e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-11-23 15:45:52,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:52,994 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:52,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52 WrapperNode [2021-11-23 15:45:52,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:52,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:52,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:52,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:53,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,213 INFO L137 Inliner]: procedures = 148, calls = 555, calls flagged for inlining = 53, calls inlined = 50, statements flattened = 1601 [2021-11-23 15:45:53,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:53,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:53,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:53,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:53,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:53,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:53,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:53,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:53,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:52" (1/1) ... [2021-11-23 15:45:53,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:53,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:53,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2021-11-23 15:45:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2021-11-23 15:45:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:45:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:45:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2021-11-23 15:45:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2021-11-23 15:45:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:45:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2021-11-23 15:45:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2021-11-23 15:45:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:45:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 15:45:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 15:45:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:45:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:45:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:45:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:45:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:45:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:45:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 15:45:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 15:45:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:45:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:45:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-11-23 15:45:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-11-23 15:45:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:45:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:45:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2021-11-23 15:45:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2021-11-23 15:45:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:45:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:45:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:45:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:45:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:45:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:45:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2021-11-23 15:45:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2021-11-23 15:45:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:45:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:45:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:45:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:45:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:45:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:45:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:45:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:45:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:45:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:45:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:45:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:45:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:45:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2021-11-23 15:45:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2021-11-23 15:45:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:45:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2021-11-23 15:45:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2021-11-23 15:45:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:45:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 15:45:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:45:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:45:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:45:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:45:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2021-11-23 15:45:53,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2021-11-23 15:45:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:45:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:45:53,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:45:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:45:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:45:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:45:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:45:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:45:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:45:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:45:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2021-11-23 15:45:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2021-11-23 15:45:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:45:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:45:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:45:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:45:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:45:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:45:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:45:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:45:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-23 15:45:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-23 15:45:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2021-11-23 15:45:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2021-11-23 15:45:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:45:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2021-11-23 15:45:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2021-11-23 15:45:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:45:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:45:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:54,113 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:54,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:57,058 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:45:57,062 INFO L158 Benchmark]: Toolchain (without parser) took 6332.10ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 72.9MB in the beginning and 43.2MB in the end (delta: 29.7MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,063 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:57,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2263.76ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 72.9MB in the beginning and 83.0MB in the end (delta: -10.1MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.46ms. Allocated memory is still 132.1MB. Free memory was 83.0MB in the beginning and 73.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,064 INFO L158 Benchmark]: Boogie Preprocessor took 214.06ms. Allocated memory is still 132.1MB. Free memory was 73.9MB in the beginning and 62.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,065 INFO L158 Benchmark]: RCFGBuilder took 3630.22ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 43.2MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:45:57,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2263.76ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 72.9MB in the beginning and 83.0MB in the end (delta: -10.1MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 217.46ms. Allocated memory is still 132.1MB. Free memory was 83.0MB in the beginning and 73.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 214.06ms. Allocated memory is still 132.1MB. Free memory was 73.9MB in the beginning and 62.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3630.22ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 43.2MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. 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 15:45:57,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d8b138-ef31-480a-b272-092b350d229e/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