./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/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_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:27:11,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:27:11,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:27:11,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:27:11,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:27:11,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:27:11,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:27:11,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:27:11,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:27:11,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:27:11,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:27:11,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:27:11,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:27:11,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:27:11,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:27:11,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:27:11,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:27:11,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:27:11,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:27:11,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:27:11,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:27:11,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:27:11,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:27:11,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:27:11,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:27:11,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:27:11,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:27:11,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:27:11,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:27:11,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:27:11,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:27:11,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:27:11,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:27:11,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:27:11,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:27:11,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:27:11,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:27:11,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:27:11,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:27:11,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:27:11,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:27:11,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:27:11,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:27:11,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:27:11,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:27:11,271 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:27:11,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:27:11,271 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:27:11,272 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:27:11,272 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:27:11,279 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:27:11,280 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:27:11,281 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:27:11,281 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:27:11,282 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:27:11,282 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:27:11,282 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:27:11,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:27:11,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:27:11,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:27:11,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:27:11,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:27:11,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:27:11,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:27:11,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:27:11,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:27:11,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:27:11,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:27:11,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:27:11,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:27:11,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:27:11,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:27:11,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:27:11,289 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:27:11,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:27:11,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:27:11,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:27:11,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:27:11,291 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_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-07 01:27:11,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:27:11,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:27:11,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:27:11,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:27:11,677 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:27:11,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-07 01:27:11,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/11e5109a8/a9e1cc8c80ee4ef3b3f6002130c80043/FLAG09566e649 [2021-11-07 01:27:12,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:27:12,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-07 01:27:12,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/11e5109a8/a9e1cc8c80ee4ef3b3f6002130c80043/FLAG09566e649 [2021-11-07 01:27:13,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/11e5109a8/a9e1cc8c80ee4ef3b3f6002130c80043 [2021-11-07 01:27:13,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:27:13,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:27:13,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:13,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:27:13,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:27:13,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:13,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6043f840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:13, skipping insertion in model container [2021-11-07 01:27:13,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:13" (1/1) ... [2021-11-07 01:27:13,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:27:13,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:27:14,588 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:14,596 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:14,615 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:14,624 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:14,631 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:14,632 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:14,644 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:14,859 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,105 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,110 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,238 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,256 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,257 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,259 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,260 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,265 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,269 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,280 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,280 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,285 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,290 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,299 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,315 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,317 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,330 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,334 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,381 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,387 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,404 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,413 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,452 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,460 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,463 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,466 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,484 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,489 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,515 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,516 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,520 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,526 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,527 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,529 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,531 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,533 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,536 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,537 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,538 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,540 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,542 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,568 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,568 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,570 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,580 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,597 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,598 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,598 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,599 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,600 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:27:15,662 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_6ec52a19-de18-4ce5-a860-c44942c418fe/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-07 01:27:15,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:15,804 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) [2021-11-07 01:27:15,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4871a837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:15, skipping insertion in model container [2021-11-07 01:27:15,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:15,805 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:27:15,808 INFO L168 Benchmark]: Toolchain (without parser) took 2628.13 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 67.7 MB in the beginning and 87.8 MB in the end (delta: -20.1 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:15,809 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 65.5 MB in the beginning and 65.4 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:27:15,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2625.25 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 67.4 MB in the beginning and 87.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:15,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 65.5 MB in the beginning and 65.4 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2625.25 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 67.4 MB in the beginning and 87.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5281]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/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_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8 --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-47ea020 [2021-11-07 01:27:18,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:27:18,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:27:18,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:27:18,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:27:18,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:27:18,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:27:18,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:27:18,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:27:18,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:27:18,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:27:18,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:27:18,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:27:18,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:27:18,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:27:18,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:27:18,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:27:18,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:27:18,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:27:18,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:27:18,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:27:18,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:27:18,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:27:18,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:27:18,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:27:18,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:27:18,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:27:18,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:27:18,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:27:18,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:27:18,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:27:18,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:27:18,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:27:18,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:27:18,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:27:18,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:27:18,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:27:18,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:27:18,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:27:18,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:27:18,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:27:18,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:27:18,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:27:18,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:27:18,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:27:18,512 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:27:18,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:27:18,512 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:27:18,513 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:27:18,513 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:27:18,513 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:27:18,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:27:18,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:27:18,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:27:18,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:27:18,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:27:18,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:27:18,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:27:18,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:27:18,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:27:18,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:27:18,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:27:18,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:27:18,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:27:18,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:27:18,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:27:18,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:27:18,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:27:18,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:27:18,521 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:27:18,521 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:27:18,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:27:18,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:27:18,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:27:18,522 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_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-07 01:27:18,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:27:18,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:27:18,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:27:18,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:27:18,997 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:27:18,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-07 01:27:19,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/704bf1046/47d95fd7c2084175a6b292960f52832a/FLAG3c2d975f5 [2021-11-07 01:27:20,181 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:27:20,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-07 01:27:20,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/704bf1046/47d95fd7c2084175a6b292960f52832a/FLAG3c2d975f5 [2021-11-07 01:27:20,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/data/704bf1046/47d95fd7c2084175a6b292960f52832a [2021-11-07 01:27:20,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:27:20,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:27:20,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:20,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:27:20,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:27:20,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:20" (1/1) ... [2021-11-07 01:27:20,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c8d627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:20, skipping insertion in model container [2021-11-07 01:27:20,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:20" (1/1) ... [2021-11-07 01:27:20,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:27:20,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:27:23,406 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_6ec52a19-de18-4ce5-a860-c44942c418fe/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-07 01:27:23,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:23,548 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:27:23,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:27:24,015 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_6ec52a19-de18-4ce5-a860-c44942c418fe/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-07 01:27:24,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:24,046 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:27:24,424 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_6ec52a19-de18-4ce5-a860-c44942c418fe/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-07 01:27:24,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:24,794 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:27:24,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24 WrapperNode [2021-11-07 01:27:24,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:24,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:27:24,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:27:24,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:27:24,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:24,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:25,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:27:25,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:27:25,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:27:25,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:27:25,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:25,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:25,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:25,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:26,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:26,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:26,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:26,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:27:26,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:27:26,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:27:26,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:27:26,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (1/1) ... [2021-11-07 01:27:26,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:27:26,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:27:26,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:27:26,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:27:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:27:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:27:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-07 01:27:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:27:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:27:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:27:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:27:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:27:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:27:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:27:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:27:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:27:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:27:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:27:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:27:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:27:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:27:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:27:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:27:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:27:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:27:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:27:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:27:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:27:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 01:27:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:27:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:27:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:27:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:27:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:27:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:27:27,935 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:27:28,263 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:27:28,281 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:27:28,289 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:27:28,440 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:30:36,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2438: assume false; [2021-11-07 01:30:36,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume !false; [2021-11-07 01:30:36,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-11-07 01:30:36,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-11-07 01:30:36,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2409: assume !false; [2021-11-07 01:30:36,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2408: assume false; [2021-11-07 01:30:36,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume !false; [2021-11-07 01:30:36,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2334: assume false; [2021-11-07 01:30:36,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2339: assume !false; [2021-11-07 01:30:36,972 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2338: assume false; [2021-11-07 01:30:36,972 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2326: assume !false; [2021-11-07 01:30:36,972 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2325: assume false; [2021-11-07 01:30:36,972 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-11-07 01:30:36,972 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-11-07 01:30:36,973 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-11-07 01:30:36,973 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-07 01:30:36,973 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-07 01:30:36,973 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-07 01:30:36,973 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-07 01:30:36,973 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-11-07 01:30:36,974 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-11-07 01:30:36,974 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-11-07 01:30:36,974 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-11-07 01:30:36,974 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-11-07 01:30:36,974 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-11-07 01:30:36,975 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,975 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-11-07 01:30:36,975 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-11-07 01:30:36,975 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-11-07 01:30:36,975 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2993: assume !false; [2021-11-07 01:30:36,976 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2992: assume false; [2021-11-07 01:30:36,976 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2999: assume !false; [2021-11-07 01:30:36,976 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2998: assume false; [2021-11-07 01:30:36,976 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2986: assume false; [2021-11-07 01:30:36,976 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2987: assume !false; [2021-11-07 01:30:36,976 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2829: assume !false; [2021-11-07 01:30:36,977 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2828: assume false; [2021-11-07 01:30:36,977 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2755: assume false; [2021-11-07 01:30:36,977 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2756: assume !false; [2021-11-07 01:30:36,977 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2759: assume false; [2021-11-07 01:30:36,977 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2760: assume !false; [2021-11-07 01:30:36,978 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2766: assume !false; [2021-11-07 01:30:36,978 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2765: assume false; [2021-11-07 01:30:36,978 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2609: assume false; [2021-11-07 01:30:36,978 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2610: assume !false; [2021-11-07 01:30:36,978 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2614: assume !false; [2021-11-07 01:30:36,978 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2613: assume false; [2021-11-07 01:30:36,979 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-11-07 01:30:36,979 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-11-07 01:30:36,979 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,979 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-11-07 01:30:36,979 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-11-07 01:30:36,979 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-11-07 01:30:36,980 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-11-07 01:30:36,980 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-11-07 01:30:36,980 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-11-07 01:30:36,980 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-11-07 01:30:36,980 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-11-07 01:30:36,980 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-11-07 01:30:36,981 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-11-07 01:30:36,981 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3006: assume false; [2021-11-07 01:30:36,981 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3007: assume !false; [2021-11-07 01:30:36,981 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4158: assume false; [2021-11-07 01:30:36,981 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4159: assume !false; [2021-11-07 01:30:36,982 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3110: assume !false; [2021-11-07 01:30:36,982 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3109: assume false; [2021-11-07 01:30:36,983 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-11-07 01:30:36,983 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-11-07 01:30:36,983 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-11-07 01:30:36,984 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-11-07 01:30:36,984 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-11-07 01:30:36,984 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-11-07 01:30:36,984 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-11-07 01:30:36,984 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-11-07 01:30:36,985 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-11-07 01:30:36,985 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-11-07 01:30:36,985 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,985 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,985 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,986 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,986 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,986 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-11-07 01:30:36,986 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-1: ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;havoc ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2021-11-07 01:30:36,986 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-2: ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;havoc ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;ppp_read_~__ptr___0~0.base, ppp_read_~__ptr___0~0.offset := ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset; [2021-11-07 01:30:36,987 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-3: ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;havoc ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;ppp_read_~__ptr___1~0.base, ppp_read_~__ptr___1~0.offset := ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset; [2021-11-07 01:30:36,987 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-8: ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;havoc ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;ppp_read_~__ptr___5~0.base, ppp_read_~__ptr___5~0.offset := ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset; [2021-11-07 01:30:36,987 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-6: ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;havoc ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;ppp_read_~__ptr___3~0.base, ppp_read_~__ptr___3~0.offset := ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset; [2021-11-07 01:30:36,987 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-7: ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;havoc ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;ppp_read_~__ptr___4~0.base, ppp_read_~__ptr___4~0.offset := ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset; [2021-11-07 01:30:37,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:30:37,025 INFO L299 CfgBuilder]: Removed 5484 assume(true) statements. [2021-11-07 01:30:37,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:30:37 BoogieIcfgContainer [2021-11-07 01:30:37,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:30:37,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:30:37,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:30:37,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:30:37,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:27:20" (1/3) ... [2021-11-07 01:30:37,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da659a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:30:37, skipping insertion in model container [2021-11-07 01:30:37,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:24" (2/3) ... [2021-11-07 01:30:37,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da659a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:30:37, skipping insertion in model container [2021-11-07 01:30:37,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:30:37" (3/3) ... [2021-11-07 01:30:37,041 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-07 01:30:37,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:30:37,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-11-07 01:30:37,121 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:30:37,128 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 [2021-11-07 01:30:37,128 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-11-07 01:30:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:30:37,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:37,225 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:30:37,226 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-07 01:30:37,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:37,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1393895239, now seen corresponding path program 1 times [2021-11-07 01:30:37,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:37,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174813852] [2021-11-07 01:30:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:37,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:37,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:37,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:37,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:30:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:38,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:30:38,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:38,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:38,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:38,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:38,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:38,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174813852] [2021-11-07 01:30:38,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174813852] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:38,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:38,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:30:38,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658732244] [2021-11-07 01:30:38,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:30:38,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:30:38,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:30:38,970 INFO L87 Difference]: Start difference. First operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:40,141 INFO L93 Difference]: Finished difference Result 12308 states and 17213 transitions. [2021-11-07 01:30:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:30:40,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 01:30:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:40,223 INFO L225 Difference]: With dead ends: 12308 [2021-11-07 01:30:40,223 INFO L226 Difference]: Without dead ends: 8004 [2021-11-07 01:30:40,242 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:30:40,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2021-11-07 01:30:40,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 7928. [2021-11-07 01:30:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.3460514640638863) internal successors, (10619), 7927 states have internal predecessors, (10619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:40,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10619 transitions. [2021-11-07 01:30:40,651 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10619 transitions. Word has length 10 [2021-11-07 01:30:40,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:40,652 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10619 transitions. [2021-11-07 01:30:40,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10619 transitions. [2021-11-07 01:30:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:30:40,663 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:40,663 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:30:40,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:40,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:40,888 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-07 01:30:40,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:40,889 INFO L85 PathProgramCache]: Analyzing trace with hash -473324972, now seen corresponding path program 1 times [2021-11-07 01:30:40,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:40,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003441020] [2021-11-07 01:30:40,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:40,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:40,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:40,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:40,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:30:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:42,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:30:42,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:42,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:42,794 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:42,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003441020] [2021-11-07 01:30:42,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003441020] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:42,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:42,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:30:42,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853400516] [2021-11-07 01:30:42,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:30:42,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:42,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:30:42,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:30:42,798 INFO L87 Difference]: Start difference. First operand 7928 states and 10619 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:43,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:43,220 INFO L93 Difference]: Finished difference Result 15838 states and 21216 transitions. [2021-11-07 01:30:43,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:30:43,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 01:30:43,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:43,267 INFO L225 Difference]: With dead ends: 15838 [2021-11-07 01:30:43,268 INFO L226 Difference]: Without dead ends: 7928 [2021-11-07 01:30:43,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:30:43,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7928 states. [2021-11-07 01:30:43,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7928 to 7928. [2021-11-07 01:30:43,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.3457979465077956) internal successors, (10617), 7927 states have internal predecessors, (10617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10617 transitions. [2021-11-07 01:30:43,695 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10617 transitions. Word has length 35 [2021-11-07 01:30:43,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:43,696 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10617 transitions. [2021-11-07 01:30:43,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10617 transitions. [2021-11-07 01:30:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 01:30:43,698 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:43,698 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:30:43,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:43,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:43,920 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-07 01:30:43,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash -839366508, now seen corresponding path program 1 times [2021-11-07 01:30:43,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:43,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522318820] [2021-11-07 01:30:43,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:43,923 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:43,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:43,925 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:43,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:30:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:45,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:30:45,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:45,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:46,068 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:46,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522318820] [2021-11-07 01:30:46,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522318820] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:46,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:46,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:30:46,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135497309] [2021-11-07 01:30:46,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:30:46,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:46,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:30:46,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:30:46,071 INFO L87 Difference]: Start difference. First operand 7928 states and 10617 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:46,724 INFO L93 Difference]: Finished difference Result 23322 states and 31201 transitions. [2021-11-07 01:30:46,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:30:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-07 01:30:46,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:46,821 INFO L225 Difference]: With dead ends: 23322 [2021-11-07 01:30:46,822 INFO L226 Difference]: Without dead ends: 15415 [2021-11-07 01:30:46,841 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:30:46,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15415 states. [2021-11-07 01:30:47,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15415 to 15295. [2021-11-07 01:30:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15295 states, 15256 states have (on average 1.3443890928159412) internal successors, (20510), 15294 states have internal predecessors, (20510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15295 states to 15295 states and 20510 transitions. [2021-11-07 01:30:47,537 INFO L78 Accepts]: Start accepts. Automaton has 15295 states and 20510 transitions. Word has length 42 [2021-11-07 01:30:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:47,538 INFO L470 AbstractCegarLoop]: Abstraction has 15295 states and 20510 transitions. [2021-11-07 01:30:47,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:30:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 15295 states and 20510 transitions. [2021-11-07 01:30:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 01:30:47,545 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:47,545 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:30:47,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:47,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:47,762 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-11-07 01:30:47,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:47,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1381473804, now seen corresponding path program 1 times [2021-11-07 01:30:47,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:47,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191288474] [2021-11-07 01:30:47,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:47,764 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:47,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:47,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:47,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:31:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:31:48,883 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:32:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:32:54,123 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:32:54,123 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:32:54,124 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,126 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,127 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,128 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,128 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,128 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,128 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,129 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,129 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,129 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,129 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,129 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,130 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,130 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,130 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,130 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,131 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,131 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,131 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,131 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,131 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,132 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,132 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,132 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,132 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:32:54,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:32:54,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:54,350 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 01:32:54,353 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:32:54,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:32:54 BoogieIcfgContainer [2021-11-07 01:32:54,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:32:54,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:32:54,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:32:54,619 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:32:54,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:30:37" (3/4) ... [2021-11-07 01:32:54,625 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:32:54,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:32:54,631 INFO L168 Benchmark]: Toolchain (without parser) took 334097.05 ms. Allocated memory was 50.3 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 24.1 MB in the beginning and 857.4 MB in the end (delta: -833.3 MB). Peak memory consumption was 309.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:54,632 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:32:54,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4261.66 ms. Allocated memory was 50.3 MB in the beginning and 245.4 MB in the end (delta: 195.0 MB). Free memory was 23.8 MB in the beginning and 159.2 MB in the end (delta: -135.4 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:54,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 781.07 ms. Allocated memory is still 245.4 MB. Free memory was 159.2 MB in the beginning and 122.3 MB in the end (delta: 36.9 MB). Peak memory consumption was 136.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:54,634 INFO L168 Benchmark]: Boogie Preprocessor took 1181.54 ms. Allocated memory was 245.4 MB in the beginning and 509.6 MB in the end (delta: 264.2 MB). Free memory was 122.3 MB in the beginning and 322.2 MB in the end (delta: -199.9 MB). Peak memory consumption was 69.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:54,637 INFO L168 Benchmark]: RCFGBuilder took 190270.83 ms. Allocated memory was 509.6 MB in the beginning and 1.2 GB in the end (delta: 683.7 MB). Free memory was 322.2 MB in the beginning and 647.1 MB in the end (delta: -324.9 MB). Peak memory consumption was 373.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:54,640 INFO L168 Benchmark]: TraceAbstraction took 137584.24 ms. Allocated memory is still 1.2 GB. Free memory was 647.1 MB in the beginning and 857.4 MB in the end (delta: -210.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:32:54,642 INFO L168 Benchmark]: Witness Printer took 6.49 ms. Allocated memory is still 1.2 GB. Free memory is still 857.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:32:54,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4261.66 ms. Allocated memory was 50.3 MB in the beginning and 245.4 MB in the end (delta: 195.0 MB). Free memory was 23.8 MB in the beginning and 159.2 MB in the end (delta: -135.4 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 781.07 ms. Allocated memory is still 245.4 MB. Free memory was 159.2 MB in the beginning and 122.3 MB in the end (delta: 36.9 MB). Peak memory consumption was 136.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1181.54 ms. Allocated memory was 245.4 MB in the beginning and 509.6 MB in the end (delta: 264.2 MB). Free memory was 122.3 MB in the beginning and 322.2 MB in the end (delta: -199.9 MB). Peak memory consumption was 69.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 190270.83 ms. Allocated memory was 509.6 MB in the beginning and 1.2 GB in the end (delta: 683.7 MB). Free memory was 322.2 MB in the beginning and 647.1 MB in the end (delta: -324.9 MB). Peak memory consumption was 373.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 137584.24 ms. Allocated memory is still 1.2 GB. Free memory was 647.1 MB in the beginning and 857.4 MB in the end (delta: -210.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.49 ms. Allocated memory is still 1.2 GB. Free memory is still 857.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L11180] return __VERIFIER_nondet_int(); [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L5879] int tmp ; [L11003] return __VERIFIER_nondet_int(); [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L7037] val = (int )__val_gu___1 VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L7038] COND FALSE !(__ret_gu___1 != 0) [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U [L7050] COND TRUE (cflags & 64) != 0 [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] xcomp->comp_free [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9975] xcomp->owner [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] [L10809] reach_error() VAL [__this_module={17592186077184:8388608}, channel_count={-7782237752644354087:0}, compressor_list={2017629108489420795:0}, compressor_list_lock={1441134284210421721:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-3171677634123808804:0}, npindex_to_proto={-9205322419609255901:0}, ppp_class={0:0}, ppp_device_fops={-4611704714487152695:0}, ppp_mutex={2594055788817268700:0}, ppp_net_id={-8070468128796065832:0}, ppp_net_ops={-6917546624189218919:0}, ppp_netdev_ops={8358663311851503568:0}, ppp_unit_count={-7782237752644354086:0}] - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4133 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 137.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16343 SDtfs, 15823 SDslu, 29477 SDs, 0 SdLazy, 204 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15295occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 196 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 63.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2419 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:32:54,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec52a19-de18-4ce5-a860-c44942c418fe/bin/utaipan-UUZaoUuFF8/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: UNKNOWN: Overapproximated counterexample