./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH --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 a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:58:18,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:58:18,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:58:18,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:58:18,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:58:18,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:58:18,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:58:18,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:58:18,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:58:18,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:58:18,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:58:18,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:58:18,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:58:18,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:58:18,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:58:18,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:58:18,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:58:18,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:58:18,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:58:18,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:58:18,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:58:18,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:58:18,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:58:18,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:58:18,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:58:18,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:58:18,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:58:18,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:58:18,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:58:18,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:58:18,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:58:18,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:58:18,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:58:18,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:58:18,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:58:18,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:58:18,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:58:18,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:58:18,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:58:18,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:58:18,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:58:18,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:58:18,329 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:58:18,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:58:18,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:58:18,333 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:58:18,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:58:18,334 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:58:18,334 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:58:18,334 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:58:18,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:58:18,335 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:58:18,336 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:58:18,337 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:58:18,337 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:58:18,337 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:58:18,338 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:58:18,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:58:18,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:58:18,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:58:18,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:58:18,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:58:18,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:58:18,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:58:18,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:58:18,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:58:18,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:58:18,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:58:18,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:58:18,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:18,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:58:18,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:58:18,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:58:18,346 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:58:18,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:58:18,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:58:18,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:58:18,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:58:18,348 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_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 [2021-11-03 04:58:18,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:58:18,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:58:18,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:58:18,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:58:18,772 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:58:18,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-03 04:58:18,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/baae88f24/7ab862d299984b079cc6f2e7cf8f9f4c/FLAGc57eb4f28 [2021-11-03 04:58:20,365 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:58:20,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-03 04:58:20,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/baae88f24/7ab862d299984b079cc6f2e7cf8f9f4c/FLAGc57eb4f28 [2021-11-03 04:58:20,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/baae88f24/7ab862d299984b079cc6f2e7cf8f9f4c [2021-11-03 04:58:20,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:58:20,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:58:20,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:20,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:58:20,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:58:20,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:20" (1/1) ... [2021-11-03 04:58:20,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b63597e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:20, skipping insertion in model container [2021-11-03 04:58:20,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:20" (1/1) ... [2021-11-03 04:58:20,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:58:21,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:58:24,520 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,548 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,577 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,648 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,762 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,770 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,779 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,790 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,799 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,802 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,869 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,873 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,903 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,912 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:24,917 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,001 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,133 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,209 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,211 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,244 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,245 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,250 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,259 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,260 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,263 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,265 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,309 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,348 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,365 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,378 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,403 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,425 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,427 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,433 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,435 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,438 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,443 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,451 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,528 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,573 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,695 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,838 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,838 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,843 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,844 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,847 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,848 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,849 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,859 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,860 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,860 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:25,881 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_35e5747e-64ca-403b-886b-694530efcec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-03 04:58:26,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:26,102 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) [2021-11-03 04:58:26,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47efa25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:26, skipping insertion in model container [2021-11-03 04:58:26,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:26,104 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:58:26,107 INFO L168 Benchmark]: Toolchain (without parser) took 5208.21 ms. Allocated memory was 113.2 MB in the beginning and 199.2 MB in the end (delta: 86.0 MB). Free memory was 77.4 MB in the beginning and 126.5 MB in the end (delta: -49.2 MB). Peak memory consumption was 104.8 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:26,108 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 62.5 MB in the beginning and 62.4 MB in the end (delta: 21.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:58:26,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5203.11 ms. Allocated memory was 113.2 MB in the beginning and 199.2 MB in the end (delta: 86.0 MB). Free memory was 77.4 MB in the beginning and 126.5 MB in the end (delta: -49.2 MB). Peak memory consumption was 104.8 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:26,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 62.5 MB in the beginning and 62.4 MB in the end (delta: 21.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5203.11 ms. Allocated memory was 113.2 MB in the beginning and 199.2 MB in the end (delta: 86.0 MB). Free memory was 77.4 MB in the beginning and 126.5 MB in the end (delta: -49.2 MB). Peak memory consumption was 104.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6033]: 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_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH --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 a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:58:28,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:58:28,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:58:28,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:58:28,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:58:28,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:58:28,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:58:29,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:58:29,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:58:29,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:58:29,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:58:29,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:58:29,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:58:29,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:58:29,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:58:29,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:58:29,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:58:29,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:58:29,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:58:29,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:58:29,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:58:29,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:58:29,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:58:29,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:58:29,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:58:29,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:58:29,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:58:29,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:58:29,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:58:29,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:58:29,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:58:29,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:58:29,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:58:29,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:58:29,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:58:29,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:58:29,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:58:29,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:58:29,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:58:29,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:58:29,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:58:29,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:58:29,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:58:29,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:58:29,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:58:29,135 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:58:29,135 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:58:29,135 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:58:29,135 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:58:29,136 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:58:29,137 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:58:29,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:58:29,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:58:29,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:58:29,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:58:29,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:58:29,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:58:29,142 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:58:29,142 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:58:29,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:58:29,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:58:29,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:58:29,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:58:29,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:58:29,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:58:29,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:29,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:58:29,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:58:29,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:58:29,145 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:58:29,145 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:58:29,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:58:29,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:58:29,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:58:29,146 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_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 [2021-11-03 04:58:29,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:58:29,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:58:29,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:58:29,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:58:29,641 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:58:29,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-03 04:58:29,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/d55a24581/b82c1dbf5fd74195acafade2714c895b/FLAG8f29731cd [2021-11-03 04:58:31,135 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:58:31,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-03 04:58:31,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/d55a24581/b82c1dbf5fd74195acafade2714c895b/FLAG8f29731cd [2021-11-03 04:58:31,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/data/d55a24581/b82c1dbf5fd74195acafade2714c895b [2021-11-03 04:58:31,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:58:31,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:58:31,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:31,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:58:31,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:58:31,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:31" (1/1) ... [2021-11-03 04:58:31,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a33518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:31, skipping insertion in model container [2021-11-03 04:58:31,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:31" (1/1) ... [2021-11-03 04:58:31,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:58:32,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:58:35,750 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:58:36,281 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_35e5747e-64ca-403b-886b-694530efcec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-03 04:58:36,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:36,473 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:58:36,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:58:37,462 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_35e5747e-64ca-403b-886b-694530efcec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-03 04:58:37,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:37,534 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:58:38,501 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_35e5747e-64ca-403b-886b-694530efcec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-03 04:58:38,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:38,649 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:58:38,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38 WrapperNode [2021-11-03 04:58:38,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:38,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:58:38,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:58:38,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:58:38,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:38,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:40,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:58:40,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:58:40,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:58:40,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:58:40,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:40,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:40,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:40,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:42,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:42,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:42,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:42,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:58:42,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:58:42,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:58:42,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:58:42,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (1/1) ... [2021-11-03 04:58:42,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:42,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:58:42,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:58:42,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:58:42,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:58:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:58:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:58:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 04:58:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 04:58:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 04:58:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_Soft_Hard_ResetHandler [2021-11-03 04:58:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_Soft_Hard_ResetHandler [2021-11-03 04:58:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure KickStart [2021-11-03 04:58:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure KickStart [2021-11-03 04:58:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_readScsiDevicePageHeaders [2021-11-03 04:58:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_readScsiDevicePageHeaders [2021-11-03 04:58:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_manufacturing_pg_0 [2021-11-03 04:58:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_manufacturing_pg_0 [2021-11-03 04:58:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_3 [2021-11-03 04:58:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_3 [2021-11-03 04:58:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_4 [2021-11-03 04:58:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_4 [2021-11-03 04:58:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_1 [2021-11-03 04:58:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_1 [2021-11-03 04:58:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_signal_reset [2021-11-03 04:58:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_signal_reset [2021-11-03 04:58:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:58:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_raid_phys_disk_pg0 [2021-11-03 04:58:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_raid_phys_disk_pg0 [2021-11-03 04:58:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure MakeIocReady [2021-11-03 04:58:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure MakeIocReady [2021-11-03 04:58:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:58:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_HardResetHandler [2021-11-03 04:58:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_HardResetHandler [2021-11-03 04:58:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-03 04:58:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-03 04:58:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:58:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:58:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 04:58:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:58:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:58:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:58:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:58:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:58:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-03 04:58:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_SoftResetHandler [2021-11-03 04:58:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_SoftResetHandler [2021-11-03 04:58:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-03 04:58:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-03 04:58:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure mptbase_sas_persist_operation [2021-11-03 04:58:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mptbase_sas_persist_operation [2021-11-03 04:58:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure GetIoUnitPage2 [2021-11-03 04:58:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure GetIoUnitPage2 [2021-11-03 04:58:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_inactive_raid_volumes [2021-11-03 04:58:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_inactive_raid_volumes [2021-11-03 04:58:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_diag_reset [2021-11-03 04:58:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_diag_reset [2021-11-03 04:58:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 04:58:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 04:58:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 04:58:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:58:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-03 04:58:43,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-03 04:58:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_fault_reset_work [2021-11-03 04:58:43,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_fault_reset_work [2021-11-03 04:58:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_13 [2021-11-03 04:58:43,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_13 [2021-11-03 04:58:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2021-11-03 04:58:43,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2021-11-03 04:58:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:58:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_detach [2021-11-03 04:58:43,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_detach [2021-11-03 04:58:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:58:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 04:58:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 04:58:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 04:58:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_do_ioc_recovery [2021-11-03 04:58:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_do_ioc_recovery [2021-11-03 04:58:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 04:58:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 04:58:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 04:58:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure GetLanConfigPages [2021-11-03 04:58:43,056 INFO L138 BoogieDeclarations]: Found implementation of procedure GetLanConfigPages [2021-11-03 04:58:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-03 04:58:43,057 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-03 04:58:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_findImVolumes [2021-11-03 04:58:43,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_findImVolumes [2021-11-03 04:58:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetScsiPortSettings [2021-11-03 04:58:43,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetScsiPortSettings [2021-11-03 04:58:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_attach [2021-11-03 04:58:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_attach [2021-11-03 04:58:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 04:58:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-03 04:58:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:58:43,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:58:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2021-11-03 04:58:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2021-11-03 05:07:55,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:07:55,335 INFO L299 CfgBuilder]: Removed 6511 assume(true) statements. [2021-11-03 05:07:55,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:07:55 BoogieIcfgContainer [2021-11-03 05:07:55,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:07:55,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:07:55,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:07:55,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:07:55,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:58:31" (1/3) ... [2021-11-03 05:07:55,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc74cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:07:55, skipping insertion in model container [2021-11-03 05:07:55,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:38" (2/3) ... [2021-11-03 05:07:55,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc74cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:07:55, skipping insertion in model container [2021-11-03 05:07:55,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:07:55" (3/3) ... [2021-11-03 05:07:55,356 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-03 05:07:55,361 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:07:55,361 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:07:55,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:07:55,454 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 [2021-11-03 05:07:55,454 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:07:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 12682 states, 12548 states have (on average 1.4929869301880778) internal successors, (18734), 12558 states have internal predecessors, (18734), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-03 05:07:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-03 05:07:55,966 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:55,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:07:55,970 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:07:55,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:07:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 482466658, now seen corresponding path program 1 times [2021-11-03 05:07:56,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:07:56,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598297208] [2021-11-03 05:07:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:07:56,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:07:56,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:07:56,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:07:56,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:10:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:10:11,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 5013 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:10:11,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:10:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:12,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:10:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:12,871 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:10:12,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598297208] [2021-11-03 05:10:12,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598297208] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:10:12,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:10:12,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:10:12,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995235443] [2021-11-03 05:10:12,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:10:12,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:10:12,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:10:12,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:10:12,927 INFO L87 Difference]: Start difference. First operand has 12682 states, 12548 states have (on average 1.4929869301880778) internal successors, (18734), 12558 states have internal predecessors, (18734), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2021-11-03 05:10:13,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:10:13,677 INFO L93 Difference]: Finished difference Result 25306 states and 37896 transitions. [2021-11-03 05:10:13,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:10:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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 78 [2021-11-03 05:10:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:10:13,824 INFO L225 Difference]: With dead ends: 25306 [2021-11-03 05:10:13,824 INFO L226 Difference]: Without dead ends: 12608 [2021-11-03 05:10:13,908 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:10:13,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2021-11-03 05:10:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12608. [2021-11-03 05:10:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12608 states, 12475 states have (on average 1.4815230460921844) internal successors, (18482), 12484 states have internal predecessors, (18482), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-03 05:10:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 18684 transitions. [2021-11-03 05:10:14,619 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 18684 transitions. Word has length 78 [2021-11-03 05:10:14,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:10:14,620 INFO L470 AbstractCegarLoop]: Abstraction has 12608 states and 18684 transitions. [2021-11-03 05:10:14,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2021-11-03 05:10:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 18684 transitions. [2021-11-03 05:10:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-03 05:10:14,627 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:10:14,628 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:10:14,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:10:14,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:10:14,843 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:10:14,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:10:14,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1026130578, now seen corresponding path program 1 times [2021-11-03 05:10:14,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:10:14,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620842982] [2021-11-03 05:10:14,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:10:14,905 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:10:14,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:10:14,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:10:14,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e5747e-64ca-403b-886b-694530efcec9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process