./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--ppp--ppp_synctty.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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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--ppp--ppp_synctty.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:44,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:44,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:44,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:44,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:44,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:44,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:44,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:44,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:44,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:44,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:44,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:44,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:44,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:44,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:44,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:44,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:44,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:44,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:44,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:44,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:44,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:44,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:44,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:44,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:44,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:44,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:44,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:44,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:44,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:44,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:44,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:44,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:44,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:44,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:44,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:44,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:44,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:44,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:44,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:44,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:44,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:55:44,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:44,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:44,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:44,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:44,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:44,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:44,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:44,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:44,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:44,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:44,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:44,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:44,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:44,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:44,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:44,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:44,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:44,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:44,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:44,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:44,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:44,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:44,917 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:44,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:44,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:44,918 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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06 [2021-11-23 15:55:45,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:45,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:45,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:45,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:45,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:45,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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--ppp--ppp_synctty.ko-entry_point.cil.out.i [2021-11-23 15:55:45,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/99dbbd670/cd1b6b7f784544e28bc34b25c8a18618/FLAGa6505babe [2021-11-23 15:55:46,289 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:46,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2021-11-23 15:55:46,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/99dbbd670/cd1b6b7f784544e28bc34b25c8a18618/FLAGa6505babe [2021-11-23 15:55:46,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/99dbbd670/cd1b6b7f784544e28bc34b25c8a18618 [2021-11-23 15:55:46,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:46,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:46,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:46,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:46,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:46,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f89381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46, skipping insertion in model container [2021-11-23 15:55:46,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:46,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:47,921 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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2021-11-23 15:55:48,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:48,463 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:48,606 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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2021-11-23 15:55:48,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:48,852 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:48,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48 WrapperNode [2021-11-23 15:55:48,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:48,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:48,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:48,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:48,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:48,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,015 INFO L137 Inliner]: procedures = 176, calls = 448, calls flagged for inlining = 92, calls inlined = 85, statements flattened = 1769 [2021-11-23 15:55:49,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:49,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:49,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:49,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:49,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:49,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:49,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:49,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:49,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:48" (1/1) ... [2021-11-23 15:55:49,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:49,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:49,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:49,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2021-11-23 15:55:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2021-11-23 15:55:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2021-11-23 15:55:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2021-11-23 15:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:55:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:55:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 15:55:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 15:55:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 15:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 15:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 15:55:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 15:55:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2021-11-23 15:55:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2021-11-23 15:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:55:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:55:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 15:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 15:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2021-11-23 15:55:49,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2021-11-23 15:55:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:55:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:55:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2021-11-23 15:55:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2021-11-23 15:55:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2021-11-23 15:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2021-11-23 15:55:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:55:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:55:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:55:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:55:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 15:55:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 15:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:55:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:55:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:55:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:55:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2021-11-23 15:55:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2021-11-23 15:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 15:55:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 15:55:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2021-11-23 15:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2021-11-23 15:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:55:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2021-11-23 15:55:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2021-11-23 15:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:55:49,324 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:55:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2021-11-23 15:55:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2021-11-23 15:55:49,889 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:49,892 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:50,035 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:50,041 INFO L158 Benchmark]: Toolchain (without parser) took 3298.18ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 68.8MB in the beginning and 83.5MB in the end (delta: -14.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:50,042 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:50,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2110.24ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 68.8MB in the beginning and 87.7MB in the end (delta: -18.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:50,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.04ms. Allocated memory is still 157.3MB. Free memory was 87.7MB in the beginning and 77.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:50,047 INFO L158 Benchmark]: Boogie Preprocessor took 200.52ms. Allocated memory is still 157.3MB. Free memory was 77.2MB in the beginning and 105.4MB in the end (delta: -28.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:50,050 INFO L158 Benchmark]: RCFGBuilder took 819.60ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 83.5MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:50,056 INFO L339 ainManager$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 77.6MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2110.24ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 68.8MB in the beginning and 87.7MB in the end (delta: -18.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.04ms. Allocated memory is still 157.3MB. Free memory was 87.7MB in the beginning and 77.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.52ms. Allocated memory is still 157.3MB. Free memory was 77.2MB in the beginning and 105.4MB in the end (delta: -28.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * RCFGBuilder took 819.60ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 83.5MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:50,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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--ppp--ppp_synctty.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:52,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:52,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:52,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:52,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:52,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:52,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:52,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:52,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:52,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:52,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:52,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:52,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:52,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:52,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:52,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:52,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:52,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:52,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:52,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:52,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:52,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:52,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:52,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:52,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:52,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:52,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:52,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:52,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:52,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:52,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:52,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:52,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:52,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:52,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:52,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:52,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:52,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:52,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:52,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:52,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:52,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:55:52,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:52,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:52,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:52,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:52,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:52,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:52,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:52,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:52,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:52,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:52,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:52,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:52,702 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:52,702 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:52,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:52,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:52,703 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:52,704 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:52,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:52,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:52,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:52,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:52,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:52,705 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:52,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:52,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:52,706 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:52,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:52,706 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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06 [2021-11-23 15:55:53,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:53,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:53,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:53,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:53,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:53,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/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--ppp--ppp_synctty.ko-entry_point.cil.out.i [2021-11-23 15:55:53,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/8b40331b6/5b7a6606681c4357b93727894209c65b/FLAG6bbbd6f75 [2021-11-23 15:55:54,098 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:54,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2021-11-23 15:55:54,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/8b40331b6/5b7a6606681c4357b93727894209c65b/FLAG6bbbd6f75 [2021-11-23 15:55:54,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/data/8b40331b6/5b7a6606681c4357b93727894209c65b [2021-11-23 15:55:54,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:54,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:54,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:54,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:54,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:54,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:54" (1/1) ... [2021-11-23 15:55:54,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a630ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:54, skipping insertion in model container [2021-11-23 15:55:54,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:54" (1/1) ... [2021-11-23 15:55:54,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:54,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:55,819 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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2021-11-23 15:55:56,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:56,158 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:55:56,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:56,348 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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2021-11-23 15:55:56,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:56,498 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:56,703 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_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2021-11-23 15:55:56,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:56,957 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:56,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56 WrapperNode [2021-11-23 15:55:56,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:56,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:56,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:56,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:56,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,166 INFO L137 Inliner]: procedures = 190, calls = 448, calls flagged for inlining = 92, calls inlined = 85, statements flattened = 1716 [2021-11-23 15:55:57,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:57,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:57,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:57,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:57,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:57,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:57,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:57,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:57,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:56" (1/1) ... [2021-11-23 15:55:57,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:57,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:57,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:57,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:55:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:55:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2021-11-23 15:55:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2021-11-23 15:55:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2021-11-23 15:55:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2021-11-23 15:55:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:55:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:55:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:55:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:55:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:55:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:55:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:55:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:55:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:55:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 15:55:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 15:55:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 15:55:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 15:55:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:55:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:55:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 15:55:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 15:55:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:55:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:55:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2021-11-23 15:55:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2021-11-23 15:55:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:55:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:55:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 15:55:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 15:55:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:55:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:55:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2021-11-23 15:55:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2021-11-23 15:55:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:55:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:55:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:55:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:55:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:55:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:55:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2021-11-23 15:55:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2021-11-23 15:55:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:55:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:55:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:55:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:55:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:55:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:55:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:55:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:55:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2021-11-23 15:55:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2021-11-23 15:55:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:55:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:55:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:55:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:55:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:55:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:55:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:55:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:55:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:55:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:55:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:55:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 15:55:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 15:55:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:55:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:55:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:55:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:55:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2021-11-23 15:55:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2021-11-23 15:55:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:55:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:55:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:55:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 15:55:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 15:55:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2021-11-23 15:55:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2021-11-23 15:55:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:55:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:55:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:55:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:55:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:55:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2021-11-23 15:55:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2021-11-23 15:55:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:55:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:55:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:55:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:55:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:55:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:55:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:55:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:55:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:55:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2021-11-23 15:55:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2021-11-23 15:55:58,150 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:58,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:58,317 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:58,321 INFO L158 Benchmark]: Toolchain (without parser) took 3726.69ms. Allocated memory was 58.7MB in the beginning and 144.7MB in the end (delta: 86.0MB). Free memory was 27.0MB in the beginning and 67.2MB in the end (delta: -40.2MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:58,321 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:58,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2342.39ms. Allocated memory was 58.7MB in the beginning and 100.7MB in the end (delta: 41.9MB). Free memory was 39.2MB in the beginning and 51.2MB in the end (delta: -11.9MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:58,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.69ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 41.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:58,324 INFO L158 Benchmark]: Boogie Preprocessor took 144.02ms. Allocated memory is still 100.7MB. Free memory was 41.2MB in the beginning and 29.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:58,324 INFO L158 Benchmark]: RCFGBuilder took 1007.52ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 29.8MB in the beginning and 67.2MB in the end (delta: -37.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:58,330 INFO L339 ainManager$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 58.7MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2342.39ms. Allocated memory was 58.7MB in the beginning and 100.7MB in the end (delta: 41.9MB). Free memory was 39.2MB in the beginning and 51.2MB in the end (delta: -11.9MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.69ms. Allocated memory is still 100.7MB. Free memory was 51.2MB in the beginning and 41.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.02ms. Allocated memory is still 100.7MB. Free memory was 41.2MB in the beginning and 29.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.52ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 29.8MB in the beginning and 67.2MB in the end (delta: -37.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:58,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c80c1f-ce25-4823-9a1b-227cbaeb24ad/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable