./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB --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 f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:05:17,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:17,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:17,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:17,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:17,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:17,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:17,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:17,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:17,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:17,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:17,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:17,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:17,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:17,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:17,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:17,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:17,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:17,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:17,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:17,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:17,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:17,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:17,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:17,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:17,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:17,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:17,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:17,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:17,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:17,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:17,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:17,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:17,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:17,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:17,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:17,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:17,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:17,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:17,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:17,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:17,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 17:05:17,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:17,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:17,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:17,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:17,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:17,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:17,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:17,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:17,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:17,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:17,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:17,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:17,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:17,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:17,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:17,937 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:17,937 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:17,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:17,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:17,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:17,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:17,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:17,944 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:17,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:17,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:17,945 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_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-10-17 17:05:18,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:18,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:18,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:18,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:18,304 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:18,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-10-17 17:05:18,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/data/971834c05/01c85954291e4c49b1db32c2d59dd1c9/FLAG1b8114c4b [2022-10-17 17:05:19,580 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:19,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-10-17 17:05:19,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/data/971834c05/01c85954291e4c49b1db32c2d59dd1c9/FLAG1b8114c4b [2022-10-17 17:05:19,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/data/971834c05/01c85954291e4c49b1db32c2d59dd1c9 [2022-10-17 17:05:19,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:19,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:19,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:19,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:19,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:19,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:19" (1/1) ... [2022-10-17 17:05:19,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e98946e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:19, skipping insertion in model container [2022-10-17 17:05:19,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:19" (1/1) ... [2022-10-17 17:05:19,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:20,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:24,199 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_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-10-17 17:05:24,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:24,359 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:25,270 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_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-10-17 17:05:25,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:25,540 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:25,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25 WrapperNode [2022-10-17 17:05:25,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:25,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:25,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:25,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:25,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,913 INFO L138 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4483 [2022-10-17 17:05:25,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:25,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:25,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:25,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:25,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:25,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:26,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:26,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:26,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:26,285 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:26,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:26,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:26,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:26,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:26,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:26,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:25" (1/1) ... [2022-10-17 17:05:26,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:26,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:26,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:26,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6b1232-f4c8-4074-a3eb-fd5a925872e3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-17 17:05:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-10-17 17:05:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-10-17 17:05:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-10-17 17:05:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-10-17 17:05:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-17 17:05:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-17 17:05:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:05:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:05:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-10-17 17:05:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-10-17 17:05:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-17 17:05:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-17 17:05:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-10-17 17:05:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-10-17 17:05:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:05:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:05:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-10-17 17:05:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-10-17 17:05:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-10-17 17:05:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-10-17 17:05:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 17:05:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 17:05:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-10-17 17:05:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-10-17 17:05:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:05:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:05:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-10-17 17:05:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-10-17 17:05:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-17 17:05:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-10-17 17:05:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 17:05:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 17:05:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:05:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:05:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-10-17 17:05:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-10-17 17:05:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:05:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:05:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-10-17 17:05:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-10-17 17:05:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:05:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-10-17 17:05:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-10-17 17:05:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:05:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:05:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 17:05:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 17:05:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:05:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-10-17 17:05:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-10-17 17:05:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 17:05:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 17:05:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 17:05:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 17:05:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:05:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-10-17 17:05:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-10-17 17:05:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:05:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:05:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:05:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-10-17 17:05:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-10-17 17:05:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-10-17 17:05:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-10-17 17:05:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-10-17 17:05:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-10-17 17:05:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-10-17 17:05:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-10-17 17:05:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-17 17:05:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-17 17:05:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:05:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:05:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-10-17 17:05:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-10-17 17:05:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:05:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-10-17 17:05:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-10-17 17:05:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:05:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-10-17 17:05:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-10-17 17:05:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 17:05:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 17:05:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-17 17:05:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-17 17:05:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-10-17 17:05:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-10-17 17:05:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 17:05:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 17:05:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 17:05:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 17:05:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:05:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-10-17 17:05:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-10-17 17:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:05:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:05:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-10-17 17:05:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-10-17 17:05:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-10-17 17:05:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-10-17 17:05:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 17:05:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 17:05:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-10-17 17:05:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-10-17 17:05:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-10-17 17:05:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-10-17 17:05:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-17 17:05:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-17 17:05:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-10-17 17:05:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-10-17 17:05:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 17:05:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 17:05:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-10-17 17:05:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-10-17 17:05:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-10-17 17:05:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-10-17 17:05:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:05:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:05:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:05:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:05:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:05:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:05:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-10-17 17:05:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-10-17 17:05:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 17:05:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 17:05:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-10-17 17:05:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-10-17 17:05:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-10-17 17:05:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-10-17 17:05:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 17:05:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 17:05:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:05:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 17:05:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 17:05:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-10-17 17:05:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-10-17 17:05:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:05:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-10-17 17:05:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-10-17 17:05:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-10-17 17:05:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-10-17 17:05:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-10-17 17:05:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-10-17 17:05:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 17:05:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 17:05:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:05:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 17:05:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 17:05:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 17:05:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 17:05:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 17:05:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 17:05:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-10-17 17:05:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-10-17 17:05:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 17:05:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 17:05:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-10-17 17:05:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-10-17 17:05:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 17:05:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 17:05:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:05:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:05:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:05:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:05:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:05:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-10-17 17:05:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-10-17 17:05:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-10-17 17:05:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-10-17 17:05:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:05:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:05:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 17:05:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 17:05:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-10-17 17:05:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-10-17 17:05:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 17:05:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 17:05:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 17:05:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 17:05:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 17:05:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 17:05:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-10-17 17:05:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-10-17 17:05:27,351 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:27,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:27,655 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:05:36,583 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:38,089 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:38,090 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:05:38,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:38 BoogieIcfgContainer [2022-10-17 17:05:38,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:38,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:38,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:38,109 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:38,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:38" (1/1) ... [2022-10-17 17:05:38,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1004 states and 1404 transitions. [2022-10-17 17:05:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1404 transitions. [2022-10-17 17:05:38,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:38,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1017 states and 1439 transitions. [2022-10-17 17:05:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1439 transitions. [2022-10-17 17:05:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:05:39,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1018 states and 1440 transitions. [2022-10-17 17:05:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1440 transitions. [2022-10-17 17:05:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:05:39,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:39,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1025 states and 1464 transitions. [2022-10-17 17:05:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1464 transitions. [2022-10-17 17:05:40,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:05:40,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1026 states and 1465 transitions. [2022-10-17 17:05:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1465 transitions. [2022-10-17 17:05:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:05:40,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1027 states and 1466 transitions. [2022-10-17 17:05:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1466 transitions. [2022-10-17 17:05:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:05:41,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:05:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1029 states and 1469 transitions. [2022-10-17 17:05:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1469 transitions. [2022-10-17 17:05:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:05:41,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:05:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1031 states and 1472 transitions. [2022-10-17 17:05:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1472 transitions. [2022-10-17 17:05:41,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:05:41,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:05:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1032 states and 1472 transitions. [2022-10-17 17:05:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1472 transitions. [2022-10-17 17:05:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:05:42,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1041 states and 1500 transitions. [2022-10-17 17:05:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1500 transitions. [2022-10-17 17:05:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:05:43,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:43,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:05:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1043 states and 1503 transitions. [2022-10-17 17:05:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1503 transitions. [2022-10-17 17:05:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:05:43,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:43,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1042 states and 1498 transitions. [2022-10-17 17:05:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1498 transitions. [2022-10-17 17:05:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:05:44,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:44,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:05:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1045 states and 1503 transitions. [2022-10-17 17:05:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1503 transitions. [2022-10-17 17:05:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:05:44,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:44,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:44,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1044 states and 1498 transitions. [2022-10-17 17:05:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1498 transitions. [2022-10-17 17:05:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:05:44,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:44,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:05:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1046 states and 1501 transitions. [2022-10-17 17:05:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1501 transitions. [2022-10-17 17:05:45,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:05:45,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:45,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1048 states and 1503 transitions. [2022-10-17 17:05:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1503 transitions. [2022-10-17 17:05:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:05:45,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:45,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1049 states and 1504 transitions. [2022-10-17 17:05:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1504 transitions. [2022-10-17 17:05:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:05:46,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:46,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat