./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb ..................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:41:33,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:41:33,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:41:33,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:41:33,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:41:33,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:41:33,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:41:33,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:41:33,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:41:33,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:41:33,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:41:33,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:41:33,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:41:33,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:41:33,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:41:33,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:41:33,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:41:33,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:41:33,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:41:33,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:41:33,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:41:33,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:41:33,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:41:33,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:41:33,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:41:33,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:41:33,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:41:33,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:41:33,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:41:33,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:41:33,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:41:33,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:41:33,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:41:33,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:41:33,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:41:33,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:41:33,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:41:33,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:41:33,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:41:33,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:41:33,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:41:33,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-24 09:41:33,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:41:33,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:41:33,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:41:33,416 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:41:33,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:41:33,417 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:41:33,417 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:41:33,417 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:41:33,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:41:33,425 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:41:33,426 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:41:33,426 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:41:33,427 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:41:33,427 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:41:33,427 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:41:33,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:41:33,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:41:33,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:41:33,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:41:33,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:41:33,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:41:33,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:41:33,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:41:33,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:41:33,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:41:33,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:41:33,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:41:33,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:33,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:41:33,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:41:33,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:41:33,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:41:33,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:41:33,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:41:33,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:41:33,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:41:33,434 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-10-24 09:41:33,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:41:33,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:41:33,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:41:33,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:41:33,802 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:41:33,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-24 09:41:33,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/d1f353e12/ff75e77c22b242ca8b38ebf9b45a4416/FLAG7054afb27 [2021-10-24 09:41:35,046 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:41:35,047 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-24 09:41:35,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/d1f353e12/ff75e77c22b242ca8b38ebf9b45a4416/FLAG7054afb27 [2021-10-24 09:41:35,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/d1f353e12/ff75e77c22b242ca8b38ebf9b45a4416 [2021-10-24 09:41:35,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:41:35,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:41:35,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:35,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:41:35,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:41:35,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:35" (1/1) ... [2021-10-24 09:41:35,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f8fc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:35, skipping insertion in model container [2021-10-24 09:41:35,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:35" (1/1) ... [2021-10-24 09:41:35,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:41:35,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:41:36,953 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:36,960 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:36,979 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:36,988 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:36,995 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:36,998 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,009 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,237 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,464 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,469 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,625 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,647 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,648 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,650 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,651 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,657 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,661 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,670 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,674 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,674 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,680 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,682 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,688 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,695 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,696 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,698 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,700 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,705 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,735 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,741 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,754 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,763 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,799 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,807 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,810 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,813 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,831 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,840 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,886 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,887 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,890 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,902 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,903 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,905 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,911 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,913 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,916 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,917 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,918 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,919 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,921 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,954 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,954 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,956 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,965 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,986 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,990 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,991 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,992 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:37,993 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-24 09:41:38,044 WARN L228 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_eb8993a4-fa21-4d03-b946-cccce6b31fc3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-24 09:41:38,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:38,136 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 09:41:38,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6101df27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:38, skipping insertion in model container [2021-10-24 09:41:38,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:38,137 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:41:38,140 INFO L168 Benchmark]: Toolchain (without parser) took 2732.70 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 58.1 MB in the beginning and 57.1 MB in the end (delta: 994.5 kB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:38,140 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:41:38,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2723.03 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 58.1 MB in the beginning and 57.1 MB in the end (delta: 994.5 kB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:38,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2723.03 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 58.1 MB in the beginning and 57.1 MB in the end (delta: 994.5 kB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5281]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:41:40,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:41:40,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:41:40,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:41:40,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:41:40,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:41:40,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:41:40,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:41:40,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:41:40,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:41:40,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:41:40,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:41:40,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:41:40,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:41:40,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:41:40,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:41:40,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:41:40,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:41:40,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:41:40,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:41:40,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:41:40,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:41:40,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:41:40,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:41:40,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:41:40,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:41:40,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:41:40,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:41:40,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:41:40,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:41:40,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:41:40,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:41:40,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:41:40,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:41:40,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:41:40,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:41:40,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:41:40,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:41:40,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:41:40,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:41:40,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:41:40,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-24 09:41:40,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:41:40,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:41:40,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:41:40,707 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:41:40,708 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:41:40,708 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:41:40,708 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:41:40,708 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:41:40,709 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:41:40,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:41:40,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:41:40,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:41:40,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:41:40,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:41:40,712 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:41:40,713 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:41:40,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:41:40,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:41:40,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:41:40,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:41:40,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:41:40,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:41:40,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:41:40,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:40,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:41:40,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:41:40,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:41:40,715 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:41:40,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:41:40,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:41:40,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:41:40,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:41:40,716 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_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-10-24 09:41:41,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:41:41,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:41:41,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:41:41,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:41:41,137 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:41:41,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-24 09:41:41,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/9c85436a0/d7c715fd4e6947fcad258d36e7118499/FLAG66da44be2 [2021-10-24 09:41:42,091 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:41:42,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-24 09:41:42,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/9c85436a0/d7c715fd4e6947fcad258d36e7118499/FLAG66da44be2 [2021-10-24 09:41:42,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/data/9c85436a0/d7c715fd4e6947fcad258d36e7118499 [2021-10-24 09:41:42,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:41:42,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:41:42,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:42,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:41:42,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:41:42,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:42" (1/1) ... [2021-10-24 09:41:42,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3601669e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:42, skipping insertion in model container [2021-10-24 09:41:42,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:42" (1/1) ... [2021-10-24 09:41:42,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:41:42,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:41:45,024 WARN L228 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_eb8993a4-fa21-4d03-b946-cccce6b31fc3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-24 09:41:45,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:45,137 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:41:45,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:41:45,602 WARN L228 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_eb8993a4-fa21-4d03-b946-cccce6b31fc3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-24 09:41:45,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:45,632 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:41:45,975 WARN L228 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_eb8993a4-fa21-4d03-b946-cccce6b31fc3/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-24 09:41:45,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:46,313 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:41:46,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46 WrapperNode [2021-10-24 09:41:46,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:46,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:46,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:41:46,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:41:46,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:46,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:47,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:47,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:41:47,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:41:47,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:41:47,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:47,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:47,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:47,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:48,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:48,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:48,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:48,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:41:48,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:41:48,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:41:48,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:41:48,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (1/1) ... [2021-10-24 09:41:48,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:48,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:41:48,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:41:48,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:41:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-24 09:41:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-24 09:41:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-24 09:41:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 09:41:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-24 09:41:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-24 09:41:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-24 09:41:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:41:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-24 09:41:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-24 09:41:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-24 09:41:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-24 09:41:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 09:41:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-24 09:41:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-24 09:41:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:41:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-24 09:41:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-24 09:41:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-24 09:41:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-10-24 09:41:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-24 09:41:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-10-24 09:41:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 09:41:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-24 09:41:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-24 09:41:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-10-24 09:41:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-10-24 09:41:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-24 09:41:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-24 09:41:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:41:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:41:49,437 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 09:41:49,623 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 09:41:49,643 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 09:41:49,752 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 09:41:49,880 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 09:44:30,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2438: assume false; [2021-10-24 09:44:30,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume !false; [2021-10-24 09:44:30,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-10-24 09:44:30,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-10-24 09:44:30,370 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2409: assume !false; [2021-10-24 09:44:30,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2408: assume false; [2021-10-24 09:44:30,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume !false; [2021-10-24 09:44:30,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2334: assume false; [2021-10-24 09:44:30,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2339: assume !false; [2021-10-24 09:44:30,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2338: assume false; [2021-10-24 09:44:30,371 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2326: assume !false; [2021-10-24 09:44:30,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2325: assume false; [2021-10-24 09:44:30,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-10-24 09:44:30,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-24 09:44:30,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-24 09:44:30,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-24 09:44:30,372 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-24 09:44:30,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-10-24 09:44:30,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-10-24 09:44:30,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-10-24 09:44:30,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-10-24 09:44:30,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-10-24 09:44:30,373 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-10-24 09:44:30,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-10-24 09:44:30,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-10-24 09:44:30,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-10-24 09:44:30,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-10-24 09:44:30,374 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-10-24 09:44:30,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2993: assume !false; [2021-10-24 09:44:30,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2992: assume false; [2021-10-24 09:44:30,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2999: assume !false; [2021-10-24 09:44:30,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2998: assume false; [2021-10-24 09:44:30,375 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2986: assume false; [2021-10-24 09:44:30,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2987: assume !false; [2021-10-24 09:44:30,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2829: assume !false; [2021-10-24 09:44:30,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2828: assume false; [2021-10-24 09:44:30,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2755: assume false; [2021-10-24 09:44:30,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2756: assume !false; [2021-10-24 09:44:30,376 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2759: assume false; [2021-10-24 09:44:30,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2760: assume !false; [2021-10-24 09:44:30,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2766: assume !false; [2021-10-24 09:44:30,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2765: assume false; [2021-10-24 09:44:30,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2609: assume false; [2021-10-24 09:44:30,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2610: assume !false; [2021-10-24 09:44:30,377 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2614: assume !false; [2021-10-24 09:44:30,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2613: assume false; [2021-10-24 09:44:30,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-10-24 09:44:30,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-10-24 09:44:30,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,378 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-10-24 09:44:30,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-10-24 09:44:30,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-10-24 09:44:30,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-10-24 09:44:30,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-10-24 09:44:30,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-10-24 09:44:30,379 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-10-24 09:44:30,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-10-24 09:44:30,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-10-24 09:44:30,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-10-24 09:44:30,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3006: assume false; [2021-10-24 09:44:30,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3007: assume !false; [2021-10-24 09:44:30,380 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4158: assume false; [2021-10-24 09:44:30,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4159: assume !false; [2021-10-24 09:44:30,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3110: assume !false; [2021-10-24 09:44:30,381 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3109: assume false; [2021-10-24 09:44:30,382 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-10-24 09:44:30,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-10-24 09:44:30,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-10-24 09:44:30,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-10-24 09:44:30,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-10-24 09:44:30,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-10-24 09:44:30,383 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-10-24 09:44:30,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-10-24 09:44:30,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-10-24 09:44:30,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-10-24 09:44:30,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,384 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-24 09:44:30,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-1: ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;havoc ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2021-10-24 09:44:30,385 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-2: ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;havoc ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;ppp_read_~__ptr___0~0.base, ppp_read_~__ptr___0~0.offset := ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset; [2021-10-24 09:44:30,386 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-3: ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;havoc ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;ppp_read_~__ptr___1~0.base, ppp_read_~__ptr___1~0.offset := ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset; [2021-10-24 09:44:30,386 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-8: ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;havoc ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;ppp_read_~__ptr___5~0.base, ppp_read_~__ptr___5~0.offset := ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset; [2021-10-24 09:44:30,386 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-6: ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;havoc ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;ppp_read_~__ptr___3~0.base, ppp_read_~__ptr___3~0.offset := ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset; [2021-10-24 09:44:30,386 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-7: ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;havoc ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;ppp_read_~__ptr___4~0.base, ppp_read_~__ptr___4~0.offset := ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset; [2021-10-24 09:44:30,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:44:30,431 INFO L299 CfgBuilder]: Removed 5484 assume(true) statements. [2021-10-24 09:44:30,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:30 BoogieIcfgContainer [2021-10-24 09:44:30,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:44:30,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:44:30,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:44:30,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:44:30,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:41:42" (1/3) ... [2021-10-24 09:44:30,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9b49a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:30, skipping insertion in model container [2021-10-24 09:44:30,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:46" (2/3) ... [2021-10-24 09:44:30,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9b49a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:44:30, skipping insertion in model container [2021-10-24 09:44:30,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:30" (3/3) ... [2021-10-24 09:44:30,445 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-24 09:44:30,450 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:44:30,450 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-24 09:44:30,511 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:44:30,517 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:44:30,518 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-24 09:44:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-24 09:44:30,596 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:44:30,597 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:44:30,597 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-24 09:44:30,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:44:30,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1393895239, now seen corresponding path program 1 times [2021-10-24 09:44:30,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:44:30,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734555102] [2021-10-24 09:44:30,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:44:30,619 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:44:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:44:30,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:44:30,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:44:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:44:31,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:44:31,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:44:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:44:31,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:44:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:44:31,942 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:44:31,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734555102] [2021-10-24 09:44:31,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734555102] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:44:31,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:44:31,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:44:31,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81574193] [2021-10-24 09:44:31,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:44:31,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:44:31,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:44:31,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:44:31,973 INFO L87 Difference]: Start difference. First operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:32,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:44:32,910 INFO L93 Difference]: Finished difference Result 12308 states and 17213 transitions. [2021-10-24 09:44:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:44:32,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-24 09:44:32,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:44:32,988 INFO L225 Difference]: With dead ends: 12308 [2021-10-24 09:44:32,988 INFO L226 Difference]: Without dead ends: 8004 [2021-10-24 09:44:33,006 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:44:33,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2021-10-24 09:44:33,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 7928. [2021-10-24 09:44:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.3457979465077956) internal successors, (10617), 7927 states have internal predecessors, (10617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:33,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10617 transitions. [2021-10-24 09:44:33,390 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10617 transitions. Word has length 10 [2021-10-24 09:44:33,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:44:33,390 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10617 transitions. [2021-10-24 09:44:33,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10617 transitions. [2021-10-24 09:44:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 09:44:33,396 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:44:33,397 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:44:33,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:44:33,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:44:33,610 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-24 09:44:33,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:44:33,611 INFO L82 PathProgramCache]: Analyzing trace with hash -473324972, now seen corresponding path program 1 times [2021-10-24 09:44:33,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:44:33,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791309386] [2021-10-24 09:44:33,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:44:33,614 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:44:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:44:33,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:44:33,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:44:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:44:34,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:44:34,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:44:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:44:35,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:44:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:44:35,154 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:44:35,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791309386] [2021-10-24 09:44:35,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791309386] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:44:35,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:44:35,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:44:35,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019601109] [2021-10-24 09:44:35,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:44:35,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:44:35,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:44:35,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:44:35,157 INFO L87 Difference]: Start difference. First operand 7928 states and 10617 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:35,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:44:35,750 INFO L93 Difference]: Finished difference Result 15838 states and 21212 transitions. [2021-10-24 09:44:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:44:35,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 09:44:35,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:44:35,801 INFO L225 Difference]: With dead ends: 15838 [2021-10-24 09:44:35,801 INFO L226 Difference]: Without dead ends: 7928 [2021-10-24 09:44:35,815 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 76.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:44:35,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7928 states. [2021-10-24 09:44:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7928 to 7928. [2021-10-24 09:44:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.345544428951705) internal successors, (10615), 7927 states have internal predecessors, (10615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10615 transitions. [2021-10-24 09:44:36,079 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10615 transitions. Word has length 35 [2021-10-24 09:44:36,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:44:36,080 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10615 transitions. [2021-10-24 09:44:36,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10615 transitions. [2021-10-24 09:44:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-24 09:44:36,083 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:44:36,083 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:44:36,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 09:44:36,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:44:36,298 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-24 09:44:36,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:44:36,298 INFO L82 PathProgramCache]: Analyzing trace with hash -839366508, now seen corresponding path program 1 times [2021-10-24 09:44:36,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:44:36,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718948434] [2021-10-24 09:44:36,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:44:36,301 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:44:36,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:44:36,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:44:36,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:44:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:44:37,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:44:37,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:44:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:44:37,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:44:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:44:37,982 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:44:37,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718948434] [2021-10-24 09:44:37,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718948434] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:44:37,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:44:37,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:44:37,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679318020] [2021-10-24 09:44:37,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:44:37,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:44:37,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:44:37,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:44:37,985 INFO L87 Difference]: Start difference. First operand 7928 states and 10615 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:38,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:44:38,608 INFO L93 Difference]: Finished difference Result 23310 states and 31184 transitions. [2021-10-24 09:44:38,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:44:38,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-24 09:44:38,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:44:38,690 INFO L225 Difference]: With dead ends: 23310 [2021-10-24 09:44:38,690 INFO L226 Difference]: Without dead ends: 15403 [2021-10-24 09:44:38,707 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:44:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15403 states. [2021-10-24 09:44:39,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15403 to 15295. [2021-10-24 09:44:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15295 states, 15256 states have (on average 1.344257996853697) internal successors, (20508), 15294 states have internal predecessors, (20508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15295 states to 15295 states and 20508 transitions. [2021-10-24 09:44:39,476 INFO L78 Accepts]: Start accepts. Automaton has 15295 states and 20508 transitions. Word has length 42 [2021-10-24 09:44:39,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:44:39,476 INFO L470 AbstractCegarLoop]: Abstraction has 15295 states and 20508 transitions. [2021-10-24 09:44:39,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:44:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 15295 states and 20508 transitions. [2021-10-24 09:44:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-24 09:44:39,481 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:44:39,481 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:44:39,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 09:44:39,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:44:39,694 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-24 09:44:39,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:44:39,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1381473804, now seen corresponding path program 1 times [2021-10-24 09:44:39,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:44:39,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710809928] [2021-10-24 09:44:39,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:44:39,698 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:44:39,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:44:39,700 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:44:39,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 09:45:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:45:19,602 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 09:45:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:45:44,996 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 09:45:44,996 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 09:45:44,997 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:44,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:44,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,003 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,003 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,003 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,003 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,004 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,006 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:45:45,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 09:45:45,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:45:45,227 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:45:45,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:45:45 BoogieIcfgContainer [2021-10-24 09:45:45,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:45:45,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:45:45,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:45:45,446 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:45:45,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:44:30" (3/4) ... [2021-10-24 09:45:45,454 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-24 09:45:45,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:45:45,459 INFO L168 Benchmark]: Toolchain (without parser) took 242896.27 ms. Allocated memory was 81.8 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 52.0 MB in the beginning and 613.8 MB in the end (delta: -561.8 MB). Peak memory consumption was 478.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:45:45,460 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:45:45,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3753.74 ms. Allocated memory was 81.8 MB in the beginning and 249.6 MB in the end (delta: 167.8 MB). Free memory was 51.9 MB in the beginning and 176.0 MB in the end (delta: -124.2 MB). Peak memory consumption was 94.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:45:45,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 913.21 ms. Allocated memory is still 249.6 MB. Free memory was 176.0 MB in the beginning and 126.7 MB in the end (delta: 49.3 MB). Peak memory consumption was 116.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:45:45,462 INFO L168 Benchmark]: Boogie Preprocessor took 1090.48 ms. Allocated memory was 249.6 MB in the beginning and 534.8 MB in the end (delta: 285.2 MB). Free memory was 126.7 MB in the beginning and 360.0 MB in the end (delta: -233.3 MB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:45:45,466 INFO L168 Benchmark]: RCFGBuilder took 162116.35 ms. Allocated memory was 534.8 MB in the beginning and 1.1 GB in the end (delta: 587.2 MB). Free memory was 360.0 MB in the beginning and 672.3 MB in the end (delta: -312.3 MB). Peak memory consumption was 680.7 MB. Max. memory is 16.1 GB. [2021-10-24 09:45:45,469 INFO L168 Benchmark]: TraceAbstraction took 75005.48 ms. Allocated memory is still 1.1 GB. Free memory was 671.3 MB in the beginning and 614.8 MB in the end (delta: 56.5 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. [2021-10-24 09:45:45,471 INFO L168 Benchmark]: Witness Printer took 8.91 ms. Allocated memory is still 1.1 GB. Free memory was 614.8 MB in the beginning and 613.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:45:45,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3753.74 ms. Allocated memory was 81.8 MB in the beginning and 249.6 MB in the end (delta: 167.8 MB). Free memory was 51.9 MB in the beginning and 176.0 MB in the end (delta: -124.2 MB). Peak memory consumption was 94.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 913.21 ms. Allocated memory is still 249.6 MB. Free memory was 176.0 MB in the beginning and 126.7 MB in the end (delta: 49.3 MB). Peak memory consumption was 116.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1090.48 ms. Allocated memory was 249.6 MB in the beginning and 534.8 MB in the end (delta: 285.2 MB). Free memory was 126.7 MB in the beginning and 360.0 MB in the end (delta: -233.3 MB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 162116.35 ms. Allocated memory was 534.8 MB in the beginning and 1.1 GB in the end (delta: 587.2 MB). Free memory was 360.0 MB in the beginning and 672.3 MB in the end (delta: -312.3 MB). Peak memory consumption was 680.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 75005.48 ms. Allocated memory is still 1.1 GB. Free memory was 671.3 MB in the beginning and 614.8 MB in the end (delta: 56.5 MB). Peak memory consumption was 56.4 MB. Max. memory is 16.1 GB. * Witness Printer took 8.91 ms. Allocated memory is still 1.1 GB. Free memory was 614.8 MB in the beginning and 613.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L11180] return __VERIFIER_nondet_int(); [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L5879] int tmp ; [L11003] return __VERIFIER_nondet_int(); [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L7037] val = (int )__val_gu___1 VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L7038] COND FALSE !(__ret_gu___1 != 0) [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U [L7050] COND TRUE (cflags & 64) != 0 [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] xcomp->comp_free [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9975] xcomp->owner [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] [L10809] reach_error() VAL [__this_module={0:0}, channel_count={1744832463:0}, compressor_list={-1744830674:0}, compressor_list_lock={-402651187:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1342177470:0}, npindex_to_proto={-1476393779:0}, ppp_class={0:0}, ppp_device_fops={-402651186:0}, ppp_mutex={1610613965:0}, ppp_net_id={-402651170:0}, ppp_net_ops={1342179077:0}, ppp_netdev_ops={134218949:0}, ppp_unit_count={1744831685:0}] - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4133 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 74716.3ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 32.0ms, AutomataDifference: 2437.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 57.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 16337 SDtfs, 15806 SDslu, 29454 SDs, 0 SdLazy, 204 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 548.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 102.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15295occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1402.5ms AutomataMinimizationTime, 3 MinimizatonAttempts, 184 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 224.9ms SsaConstructionTime, 41173.0ms SatisfiabilityAnalysisTime, 1076.2ms InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2407 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-24 09:45:45,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8993a4-fa21-4d03-b946-cccce6b31fc3/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...