./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:49:54,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:49:54,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:49:54,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:49:54,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:49:54,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:49:54,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:49:54,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:49:54,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:49:54,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:49:54,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:49:54,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:49:54,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:49:54,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:49:54,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:49:54,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:49:54,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:49:54,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:49:54,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:49:54,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:49:54,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:49:54,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:49:54,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:49:54,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:49:54,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:49:54,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:49:54,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:49:54,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:49:54,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:49:54,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:49:54,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:49:54,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:49:54,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:49:54,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:49:54,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:49:54,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:49:54,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:49:54,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:49:54,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:49:54,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:49:54,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:49:54,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:49:54,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:49:54,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:49:54,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:49:54,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:49:54,291 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:49:54,291 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:49:54,291 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:49:54,292 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:49:54,292 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:49:54,292 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:49:54,293 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:49:54,293 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:49:54,293 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:49:54,294 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:49:54,294 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:49:54,294 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:49:54,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:49:54,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:49:54,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:49:54,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:49:54,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:49:54,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:49:54,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:49:54,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:49:54,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:49:54,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:49:54,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:49:54,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:49:54,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:49:54,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:49:54,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:49:54,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:49:54,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:49:54,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:49:54,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:49:54,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:49:54,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:49:54,300 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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-12 23:49:54,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:49:54,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:49:54,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:49:54,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:49:54,607 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:49:54,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-12 23:49:54,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/d263e1225/83ef859e3d574836a3180f8cddb2f4f8/FLAG1ac5c72aa [2021-11-12 23:49:55,590 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:49:55,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-12 23:49:55,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/d263e1225/83ef859e3d574836a3180f8cddb2f4f8/FLAG1ac5c72aa [2021-11-12 23:49:55,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/d263e1225/83ef859e3d574836a3180f8cddb2f4f8 [2021-11-12 23:49:56,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:49:56,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:49:56,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:49:56,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:49:56,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:49:56,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:49:56" (1/1) ... [2021-11-12 23:49:56,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315ddb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:56, skipping insertion in model container [2021-11-12 23:49:56,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:49:56" (1/1) ... [2021-11-12 23:49:56,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:49:56,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:49:57,535 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:57,542 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:57,558 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:57,566 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:57,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:57,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:57,588 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:57,791 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,041 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,053 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,213 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,240 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,242 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,244 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,245 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,251 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,256 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,279 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,282 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,289 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,299 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,302 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,305 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,311 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,356 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,382 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,395 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,451 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,462 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,490 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,495 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,532 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,556 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,607 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,609 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,614 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,622 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,623 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,626 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,629 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,632 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,635 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,637 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,639 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,641 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,643 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,671 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,672 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,674 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,682 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,694 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,695 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,696 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,697 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,698 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:49:58,762 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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-12 23:49:58,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:49:58,897 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) [2021-11-12 23:49:58,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6182b90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:58, skipping insertion in model container [2021-11-12 23:49:58,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:49:58,899 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:49:58,902 INFO L158 Benchmark]: Toolchain (without parser) took 2889.60ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 94.9MB in the beginning and 91.0MB in the end (delta: 3.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-12 23:49:58,903 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:49:58,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2886.92ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 94.9MB in the beginning and 91.0MB in the end (delta: 3.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-12 23:49:58,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2886.92ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 94.9MB in the beginning and 91.0MB in the end (delta: 3.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:50:01,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:50:01,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:50:01,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:50:01,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:50:01,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:50:01,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:50:01,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:50:01,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:50:01,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:50:01,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:50:01,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:50:01,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:50:01,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:50:01,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:50:01,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:50:01,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:50:01,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:50:01,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:50:01,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:50:01,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:50:01,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:50:01,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:50:01,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:50:01,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:50:01,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:50:01,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:50:01,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:50:01,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:50:01,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:50:01,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:50:01,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:50:01,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:50:01,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:50:01,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:50:01,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:50:01,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:50:01,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:50:01,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:50:01,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:50:01,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:50:01,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:50:01,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:50:01,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:50:01,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:50:01,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:50:01,616 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:50:01,616 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:50:01,616 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:50:01,617 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:50:01,617 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:50:01,617 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:50:01,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:50:01,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:50:01,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:50:01,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:50:01,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:50:01,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:50:01,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:50:01,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:50:01,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:50:01,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:50:01,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:50:01,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:50:01,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:50:01,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:50:01,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:50:01,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:50:01,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:50:01,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:50:01,622 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:50:01,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:50:01,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:50:01,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:50:01,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:50:01,623 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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-12 23:50:01,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:50:01,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:50:01,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:50:01,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:50:01,999 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:50:02,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-12 23:50:02,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/75704c232/d6d95d97f5c947b0abf763d36f3b6b6d/FLAG5e18621ee [2021-11-12 23:50:02,974 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:50:02,974 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-12 23:50:03,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/75704c232/d6d95d97f5c947b0abf763d36f3b6b6d/FLAG5e18621ee [2021-11-12 23:50:03,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/data/75704c232/d6d95d97f5c947b0abf763d36f3b6b6d [2021-11-12 23:50:03,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:50:03,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:50:03,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:50:03,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:50:03,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:50:03,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:50:03" (1/1) ... [2021-11-12 23:50:03,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64682a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:03, skipping insertion in model container [2021-11-12 23:50:03,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:50:03" (1/1) ... [2021-11-12 23:50:03,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:50:03,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:50:06,161 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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-12 23:50:06,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:50:06,284 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:50:06,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:50:06,899 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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-12 23:50:06,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:50:06,946 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:50:07,359 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_22f2984d-d9f3-4372-a37e-5a8a381e36ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-12 23:50:07,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:50:07,703 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:50:07,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07 WrapperNode [2021-11-12 23:50:07,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:50:07,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:50:07,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:50:07,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:50:07,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:07,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:50:08,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:50:08,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:50:08,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:50:08,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:50:08,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:50:08,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:50:08,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:50:08,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (1/1) ... [2021-11-12 23:50:08,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:50:08,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:50:08,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:50:08,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:50:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-12 23:50:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-12 23:50:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:50:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:50:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-12 23:50:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-12 23:50:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-12 23:50:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-12 23:50:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-12 23:50:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-12 23:50:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-12 23:50:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:50:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:50:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-12 23:50:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-12 23:50:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:50:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:50:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-12 23:50:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-12 23:50:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-12 23:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-12 23:50:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-12 23:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-12 23:50:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-12 23:50:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-12 23:50:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-12 23:50:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-12 23:50:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:50:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:50:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-12 23:50:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-12 23:50:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-12 23:50:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-12 23:50:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:50:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:50:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-12 23:50:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-12 23:50:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-12 23:50:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-12 23:50:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-12 23:50:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-12 23:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-12 23:50:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-12 23:50:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-12 23:50:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-12 23:50:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:50:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:50:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-12 23:50:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-12 23:50:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-12 23:50:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-12 23:50:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-12 23:50:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-12 23:50:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:50:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:50:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:50:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:50:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-12 23:50:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-12 23:50:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:50:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:50:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-12 23:50:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-12 23:50:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-12 23:50:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-12 23:50:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-12 23:50:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-12 23:50:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-12 23:50:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-12 23:50:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:50:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:50:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:50:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-12 23:50:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-12 23:50:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:50:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-12 23:50:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-12 23:50:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:50:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:50:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:50:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:50:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:50:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-12 23:50:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-12 23:50:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:50:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:50:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:50:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-12 23:50:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-12 23:50:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:50:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:50:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:50:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:50:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-12 23:50:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-12 23:50:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:50:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:50:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:50:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 23:50:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 23:50:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-12 23:50:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-12 23:50:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-12 23:50:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-12 23:50:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:50:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:50:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:50:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:50:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:50:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:50:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-12 23:50:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-12 23:50:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-12 23:50:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-12 23:50:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:50:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:50:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-12 23:50:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-12 23:50:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:50:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:50:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-12 23:50:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-12 23:50:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:50:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:50:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-12 23:50:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-12 23:50:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-12 23:50:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-12 23:50:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 23:50:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 23:50:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-12 23:50:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-12 23:50:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:50:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:50:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-12 23:50:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-12 23:50:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-12 23:50:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-12 23:50:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-12 23:50:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-12 23:50:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-12 23:50:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-12 23:50:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-12 23:50:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-12 23:50:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-12 23:50:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-12 23:50:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:50:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:50:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-12 23:50:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-12 23:50:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-12 23:50:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-12 23:50:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:50:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:50:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-12 23:50:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-12 23:50:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:50:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-12 23:50:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-12 23:50:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:50:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:50:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:50:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:50:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:50:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-12 23:50:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-12 23:50:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-12 23:50:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-12 23:50:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:50:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:50:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:50:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-12 23:50:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-12 23:50:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 23:50:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 23:50:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:50:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:50:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:50:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:50:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:50:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:50:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:50:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 23:50:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 23:50:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:50:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:50:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:50:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:50:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-12 23:50:08,461 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-12 23:50:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-12 23:50:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-12 23:50:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-12 23:50:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-12 23:50:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-12 23:50:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-12 23:50:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:50:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:50:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-12 23:50:08,463 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-12 23:50:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:50:08,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:50:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-12 23:50:08,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-12 23:50:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-12 23:50:08,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-12 23:50:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:50:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-12 23:50:08,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-12 23:50:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 23:50:08,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 23:50:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:50:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:50:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-12 23:50:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-12 23:50:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:50:08,466 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:50:13,013 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-12 23:50:13,014 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-12 23:50:24,609 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-12 23:50:24,615 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-12 23:50:24,620 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-12 23:50:24,622 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-12 23:50:24,632 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-12 23:50:38,548 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret304#1.base, ppp_read_#t~ret304#1.offset := get_current(); srcloc: null [2021-11-12 23:50:38,548 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret304#1.base, ppp_read_#t~ret304#1.offset;havoc ppp_read_#t~ret304#1.base, ppp_read_#t~ret304#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2021-11-12 23:50:38,548 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2021-11-12 23:50:38,548 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2021-11-12 23:50:38,549 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret316#1.base, ppp_read_#t~ret316#1.offset;havoc ppp_read_#t~ret316#1.base, ppp_read_#t~ret316#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2021-11-12 23:50:38,549 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret316#1.base, ppp_read_#t~ret316#1.offset := get_current(); srcloc: null [2021-11-12 23:50:38,549 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2021-11-12 23:50:38,549 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2021-11-12 23:50:38,550 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-12 23:50:38,550 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-12 23:50:38,550 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2021-11-12 23:50:38,550 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2021-11-12 23:50:38,551 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-11-12 23:50:38,551 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-11-12 23:50:38,551 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2021-11-12 23:50:38,551 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2021-11-12 23:50:38,551 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-12 23:50:38,552 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-12 23:50:38,552 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2021-11-12 23:50:38,552 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2021-11-12 23:50:38,552 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2021-11-12 23:50:38,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2021-11-12 23:50:38,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2021-11-12 23:50:38,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2021-11-12 23:50:38,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-11-12 23:50:38,554 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-11-12 23:50:38,554 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-11-12 23:50:38,554 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-11-12 23:50:38,554 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2021-11-12 23:50:38,554 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-12 23:50:38,555 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-11-12 23:50:38,555 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-12 23:50:38,555 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-11-12 23:50:38,555 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-11-12 23:50:38,556 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-11-12 23:50:38,556 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-12 23:50:38,556 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-12 23:50:38,556 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-12 23:50:38,556 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-12 23:50:38,557 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2021-11-12 23:50:38,557 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2021-11-12 23:50:38,557 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2021-11-12 23:50:38,557 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2021-11-12 23:50:38,557 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2021-11-12 23:50:38,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:50:38,673 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-12 23:50:38,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:50:38 BoogieIcfgContainer [2021-11-12 23:50:38,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:50:38,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:50:38,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:50:38,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:50:38,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:50:03" (1/3) ... [2021-11-12 23:50:38,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72183eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:50:38, skipping insertion in model container [2021-11-12 23:50:38,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:50:07" (2/3) ... [2021-11-12 23:50:38,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72183eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:50:38, skipping insertion in model container [2021-11-12 23:50:38,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:50:38" (3/3) ... [2021-11-12 23:50:38,688 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-12 23:50:38,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:50:38,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:50:38,770 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:50:38,779 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 [2021-11-12 23:50:38,779 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:50:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) [2021-11-12 23:50:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 23:50:38,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:38,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:38,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:38,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:38,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2021-11-12 23:50:38,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:50:38,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732102756] [2021-11-12 23:50:38,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:38,866 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:50:38,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:50:38,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:50:38,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:50:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:40,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:50:40,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:50:40,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:50:40,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:50:40,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732102756] [2021-11-12 23:50:40,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732102756] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:40,600 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:40,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:50:40,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360375895] [2021-11-12 23:50:40,603 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:40,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:50:40,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:50:40,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:50:40,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:50:40,666 INFO L87 Difference]: Start difference. First operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:50:41,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:41,110 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2021-11-12 23:50:41,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:50:41,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-12 23:50:41,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:41,165 INFO L225 Difference]: With dead ends: 4250 [2021-11-12 23:50:41,165 INFO L226 Difference]: Without dead ends: 2804 [2021-11-12 23:50:41,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:50:41,184 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 1978 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 52.28ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.56ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:41,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 52.28ms Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 29.56ms Time] [2021-11-12 23:50:41,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-11-12 23:50:41,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2021-11-12 23:50:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3291139240506329) internal successors, (2625), 2042 states have internal predecessors, (2625), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-11-12 23:50:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2021-11-12 23:50:41,456 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2021-11-12 23:50:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:41,457 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2021-11-12 23:50:41,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:50:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2021-11-12 23:50:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-12 23:50:41,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:41,480 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:50:41,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:41,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:50:41,695 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:41,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:41,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2021-11-12 23:50:41,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:50:41,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507040832] [2021-11-12 23:50:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:41,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:50:41,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:50:41,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:50:41,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:50:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:43,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:50:43,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:50:44,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:50:44,393 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:50:44,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507040832] [2021-11-12 23:50:44,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1507040832] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:44,394 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:44,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-12 23:50:44,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617782116] [2021-11-12 23:50:44,395 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:44,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:50:44,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:50:44,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:50:44,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:50:44,399 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:50:44,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:44,740 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2021-11-12 23:50:44,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:50:44,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 74 [2021-11-12 23:50:44,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:44,770 INFO L225 Difference]: With dead ends: 5578 [2021-11-12 23:50:44,770 INFO L226 Difference]: Without dead ends: 2801 [2021-11-12 23:50:44,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:50:44,789 INFO L933 BasicCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.07ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:44,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 22.07ms Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 77.01ms Time] [2021-11-12 23:50:44,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-11-12 23:50:44,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-11-12 23:50:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3281012658227849) internal successors, (2623), 2040 states have internal predecessors, (2623), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-11-12 23:50:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2021-11-12 23:50:44,965 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2021-11-12 23:50:44,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:44,966 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2021-11-12 23:50:44,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:50:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2021-11-12 23:50:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-12 23:50:44,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:44,977 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 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] [2021-11-12 23:50:45,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:45,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:50:45,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:45,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:45,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2021-11-12 23:50:45,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:50:45,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256979946] [2021-11-12 23:50:45,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:45,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:50:45,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:50:45,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:50:45,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:50:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:46,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:50:46,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:50:47,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 23:50:47,715 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:50:47,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256979946] [2021-11-12 23:50:47,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256979946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:47,716 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:47,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:50:47,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556121496] [2021-11-12 23:50:47,717 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:47,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:50:47,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:50:47,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:50:47,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:50:47,719 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 23:50:49,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:49,499 INFO L93 Difference]: Finished difference Result 7582 states and 10942 transitions. [2021-11-12 23:50:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:50:49,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 89 [2021-11-12 23:50:49,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:49,539 INFO L225 Difference]: With dead ends: 7582 [2021-11-12 23:50:49,539 INFO L226 Difference]: Without dead ends: 4808 [2021-11-12 23:50:49,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:50:49,554 INFO L933 BasicCegarLoop]: 2551 mSDtfsCounter, 1372 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1259.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.83ms SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1467.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:49,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1689 Valid, 5030 Invalid, 360 Unknown, 0 Unchecked, 23.83ms Time], IncrementalHoareTripleChecker [169 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1467.12ms Time] [2021-11-12 23:50:49,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2021-11-12 23:50:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4792. [2021-11-12 23:50:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4792 states, 3390 states have (on average 1.3545722713864308) internal successors, (4592), 3483 states have internal predecessors, (4592), 1217 states have call successors, (1217), 185 states have call predecessors, (1217), 184 states have return successors, (1224), 1195 states have call predecessors, (1224), 1215 states have call successors, (1224) [2021-11-12 23:50:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 7033 transitions. [2021-11-12 23:50:49,892 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 7033 transitions. Word has length 89 [2021-11-12 23:50:49,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:49,893 INFO L470 AbstractCegarLoop]: Abstraction has 4792 states and 7033 transitions. [2021-11-12 23:50:49,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 23:50:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 7033 transitions. [2021-11-12 23:50:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-12 23:50:49,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:49,905 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 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] [2021-11-12 23:50:49,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:50,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:50:50,127 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:50:50,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:50,127 INFO L85 PathProgramCache]: Analyzing trace with hash 347747418, now seen corresponding path program 1 times [2021-11-12 23:50:50,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:50:50,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307031520] [2021-11-12 23:50:50,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:50,129 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:50:50,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:50:50,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:50:50,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:51:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:51:42,763 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:53:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:53:08,669 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:53:08,670 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:53:08,671 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:53:08,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:53:08,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:53:08,890 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-12 23:53:08,893 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:53:09,135 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:53:09,142 INFO L158 Benchmark]: Toolchain (without parser) took 185708.45ms. Allocated memory was 60.8MB in the beginning and 381.7MB in the end (delta: 320.9MB). Free memory was 27.6MB in the beginning and 243.8MB in the end (delta: -216.2MB). Peak memory consumption was 268.9MB. Max. memory is 16.1GB. [2021-11-12 23:53:09,142 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:53:09,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4272.69ms. Allocated memory was 60.8MB in the beginning and 165.7MB in the end (delta: 104.9MB). Free memory was 27.3MB in the beginning and 62.2MB in the end (delta: -34.9MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2021-11-12 23:53:09,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 326.32ms. Allocated memory was 165.7MB in the beginning and 268.4MB in the end (delta: 102.8MB). Free memory was 62.2MB in the beginning and 182.6MB in the end (delta: -120.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-12 23:53:09,143 INFO L158 Benchmark]: Boogie Preprocessor took 269.17ms. Allocated memory is still 268.4MB. Free memory was 182.6MB in the beginning and 154.0MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-12 23:53:09,145 INFO L158 Benchmark]: RCFGBuilder took 30375.11ms. Allocated memory was 268.4MB in the beginning and 381.7MB in the end (delta: 113.2MB). Free memory was 154.0MB in the beginning and 156.9MB in the end (delta: -2.8MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. [2021-11-12 23:53:09,145 INFO L158 Benchmark]: TraceAbstraction took 150458.38ms. Allocated memory is still 381.7MB. Free memory was 156.9MB in the beginning and 243.8MB in the end (delta: -86.9MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2021-11-12 23:53:09,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4272.69ms. Allocated memory was 60.8MB in the beginning and 165.7MB in the end (delta: 104.9MB). Free memory was 27.3MB in the beginning and 62.2MB in the end (delta: -34.9MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 326.32ms. Allocated memory was 165.7MB in the beginning and 268.4MB in the end (delta: 102.8MB). Free memory was 62.2MB in the beginning and 182.6MB in the end (delta: -120.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 269.17ms. Allocated memory is still 268.4MB. Free memory was 182.6MB in the beginning and 154.0MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 30375.11ms. Allocated memory was 268.4MB in the beginning and 381.7MB in the end (delta: 113.2MB). Free memory was 154.0MB in the beginning and 156.9MB in the end (delta: -2.8MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. * TraceAbstraction took 150458.38ms. Allocated memory is still 381.7MB. Free memory was 156.9MB in the beginning and 243.8MB in the end (delta: -86.9MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:53:09,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22f2984d-d9f3-4372-a37e-5a8a381e36ae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null