./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-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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 defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:32:21,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:32:21,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:32:21,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:32:21,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:32:21,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:32:21,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:32:21,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:32:21,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:32:21,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:32:21,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:32:21,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:32:21,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:32:21,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:32:21,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:32:21,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:32:21,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:32:21,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:32:21,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:32:21,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:32:21,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:32:21,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:32:21,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:32:21,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:32:21,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:32:21,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:32:21,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:32:21,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:32:21,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:32:21,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:32:21,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:32:21,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:32:21,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:32:21,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:32:21,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:32:21,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:32:21,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:32:21,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:32:21,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:32:21,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:32:21,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:32:21,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:32:21,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:32:21,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:32:21,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:32:21,382 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:32:21,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:32:21,382 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:32:21,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:32:21,383 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:32:21,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:32:21,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:32:21,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:32:21,383 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:32:21,384 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:32:21,384 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:32:21,384 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:32:21,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:32:21,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:32:21,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:32:21,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:32:21,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:32:21,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:32:21,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:32:21,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:32:21,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:32:21,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:32:21,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:32:21,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:32:21,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:32:21,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:32:21,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:32:21,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:32:21,389 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:32:21,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:32:21,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:32:21,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:32:21,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:32:21,390 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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2021-11-07 01:32:21,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:32:21,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:32:21,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:32:21,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:32:21,685 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:32:21,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-07 01:32:21,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/8caf81b40/39d979b10e9941b48f467cad164a5ab8/FLAG1da12dd58 [2021-11-07 01:32:22,771 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:32:22,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-07 01:32:22,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/8caf81b40/39d979b10e9941b48f467cad164a5ab8/FLAG1da12dd58 [2021-11-07 01:32:23,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/8caf81b40/39d979b10e9941b48f467cad164a5ab8 [2021-11-07 01:32:23,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:32:23,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:32:23,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:23,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:32:23,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:32:23,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:23" (1/1) ... [2021-11-07 01:32:23,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713b811a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:23, skipping insertion in model container [2021-11-07 01:32:23,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:23" (1/1) ... [2021-11-07 01:32:23,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:32:23,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:32:25,125 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 01:32:25,178 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 01:32:25,248 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 01:32:25,251 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:32:25,267 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 01:32:25,277 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 01:32:25,509 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 01:32:25,516 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 01:32:25,600 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 01:32:25,608 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 01:32:25,634 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 01:32:25,634 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 01:32:25,635 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:32:25,635 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:32:25,636 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 01:32:25,636 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 01:32:25,649 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 01:32:25,649 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 01:32:25,650 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 01:32:25,651 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 01:32:25,651 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 01:32:25,651 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 01:32:25,652 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 01:32:25,654 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 01:32:25,655 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 01:32:25,656 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 01:32:25,656 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 01:32:25,657 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 01:32:25,657 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 01:32:25,658 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 01:32:25,659 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 01:32:25,659 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 01:32:25,659 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 01:32:25,662 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 01:32:25,662 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 01:32:25,662 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 01:32:25,663 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 01:32:25,663 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 01:32:25,663 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 01:32:25,664 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 01:32:25,664 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 01:32:25,664 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 01:32:26,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:32:26,278 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 01:32:26,326 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 01:32:26,594 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 01:32:26,594 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 01:32:26,636 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 01:32:26,638 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 01:32:26,723 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 01:32:26,736 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 01:32:26,763 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 01:32:26,770 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:32:26,777 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 01:32:26,788 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 01:32:26,798 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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2021-11-07 01:32:27,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:27,211 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 01:32:27,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7dfa1d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:27, skipping insertion in model container [2021-11-07 01:32:27,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:27,214 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:32:27,217 INFO L168 Benchmark]: Toolchain (without parser) took 4145.18 ms. Allocated memory was 94.4 MB in the beginning and 213.9 MB in the end (delta: 119.5 MB). Free memory was 54.9 MB in the beginning and 153.8 MB in the end (delta: -98.9 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:27,217 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:32:27,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4142.74 ms. Allocated memory was 94.4 MB in the beginning and 213.9 MB in the end (delta: 119.5 MB). Free memory was 54.6 MB in the beginning and 153.8 MB in the end (delta: -99.2 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:32:27,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4142.74 ms. Allocated memory was 94.4 MB in the beginning and 213.9 MB in the end (delta: 119.5 MB). Free memory was 54.6 MB in the beginning and 153.8 MB in the end (delta: -99.2 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6482]: 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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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 defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:32:29,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:32:29,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:32:29,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:32:29,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:32:29,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:32:29,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:32:29,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:32:29,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:32:29,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:32:29,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:32:29,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:32:29,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:32:29,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:32:29,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:32:29,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:32:29,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:32:29,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:32:29,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:32:29,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:32:29,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:32:29,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:32:29,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:32:29,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:32:29,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:32:29,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:32:29,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:32:29,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:32:29,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:32:29,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:32:29,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:32:29,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:32:29,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:32:29,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:32:29,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:32:29,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:32:29,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:32:29,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:32:29,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:32:29,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:32:29,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:32:29,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:32:29,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:32:29,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:32:29,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:32:29,613 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:32:29,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:32:29,614 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:32:29,614 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:32:29,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:32:29,614 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:32:29,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:32:29,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:32:29,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:32:29,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:32:29,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:32:29,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:32:29,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:32:29,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:32:29,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:32:29,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:32:29,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:32:29,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:32:29,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:32:29,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:32:29,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:32:29,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:32:29,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:32:29,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:32:29,618 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:32:29,619 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:32:29,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:32:29,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:32:29,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:32:29,619 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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2021-11-07 01:32:30,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:32:30,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:32:30,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:32:30,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:32:30,068 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:32:30,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-07 01:32:30,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/096af22d7/76e4f45fd9ad411f909eea3aec1b5750/FLAG908102d51 [2021-11-07 01:32:31,379 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:32:31,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-07 01:32:31,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/096af22d7/76e4f45fd9ad411f909eea3aec1b5750/FLAG908102d51 [2021-11-07 01:32:31,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/data/096af22d7/76e4f45fd9ad411f909eea3aec1b5750 [2021-11-07 01:32:31,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:32:31,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:32:31,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:31,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:32:31,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:32:31,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:31" (1/1) ... [2021-11-07 01:32:31,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c7e97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:31, skipping insertion in model container [2021-11-07 01:32:31,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:32:31" (1/1) ... [2021-11-07 01:32:31,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:32:31,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:32:35,499 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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2021-11-07 01:32:35,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:35,907 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:32:36,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:32:36,692 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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2021-11-07 01:32:36,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:36,742 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:32:37,570 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_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2021-11-07 01:32:37,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:32:37,841 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:32:37,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37 WrapperNode [2021-11-07 01:32:37,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:32:37,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:32:37,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:32:37,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:32:37,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:38,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:38,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:32:38,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:32:38,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:32:38,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:32:38,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:38,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:38,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:38,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:39,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:39,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:39,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:39,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:32:39,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:32:39,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:32:39,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:32:39,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (1/1) ... [2021-11-07 01:32:39,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:32:39,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:32:39,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:32:39,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:32:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-07 01:32:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2021-11-07 01:32:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2021-11-07 01:32:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2021-11-07 01:32:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2021-11-07 01:32:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2021-11-07 01:32:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2021-11-07 01:32:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2021-11-07 01:32:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2021-11-07 01:32:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2021-11-07 01:32:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:32:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2021-11-07 01:32:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2021-11-07 01:32:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2021-11-07 01:32:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2021-11-07 01:32:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2021-11-07 01:32:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2021-11-07 01:32:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2021-11-07 01:32:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2021-11-07 01:32:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2021-11-07 01:32:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2021-11-07 01:32:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2021-11-07 01:32:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2021-11-07 01:32:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2021-11-07 01:32:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2021-11-07 01:32:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2021-11-07 01:32:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2021-11-07 01:32:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 01:32:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 01:32:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-07 01:32:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-07 01:32:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2021-11-07 01:32:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2021-11-07 01:32:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:32:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2021-11-07 01:32:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2021-11-07 01:32:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2021-11-07 01:32:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2021-11-07 01:32:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:32:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:32:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:32:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 01:32:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 01:32:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:32:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2021-11-07 01:32:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2021-11-07 01:32:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:32:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2021-11-07 01:32:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2021-11-07 01:32:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2021-11-07 01:32:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2021-11-07 01:32:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:32:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:32:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:32:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-07 01:32:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-07 01:32:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:32:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:32:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:32:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:32:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:32:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2021-11-07 01:32:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2021-11-07 01:32:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2021-11-07 01:32:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2021-11-07 01:32:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2021-11-07 01:32:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2021-11-07 01:32:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2021-11-07 01:32:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2021-11-07 01:32:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:32:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2021-11-07 01:32:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2021-11-07 01:32:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2021-11-07 01:32:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2021-11-07 01:32:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2021-11-07 01:32:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2021-11-07 01:32:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2021-11-07 01:32:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2021-11-07 01:32:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2021-11-07 01:32:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2021-11-07 01:32:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:32:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:32:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2021-11-07 01:32:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2021-11-07 01:32:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:32:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:32:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2021-11-07 01:32:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2021-11-07 01:32:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:32:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-11-07 01:32:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-11-07 01:32:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:32:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 01:32:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 01:32:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2021-11-07 01:32:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2021-11-07 01:32:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2021-11-07 01:32:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2021-11-07 01:32:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2021-11-07 01:32:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2021-11-07 01:32:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2021-11-07 01:32:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2021-11-07 01:32:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-11-07 01:32:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-11-07 01:32:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2021-11-07 01:32:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2021-11-07 01:32:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2021-11-07 01:32:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2021-11-07 01:32:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 01:32:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2021-11-07 01:32:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2021-11-07 01:32:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2021-11-07 01:32:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2021-11-07 01:38:17,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:38:17,965 INFO L299 CfgBuilder]: Removed 2822 assume(true) statements. [2021-11-07 01:38:17,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:17 BoogieIcfgContainer [2021-11-07 01:38:17,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:38:17,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:38:17,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:38:17,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:38:17,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:32:31" (1/3) ... [2021-11-07 01:38:17,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afb2ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:17, skipping insertion in model container [2021-11-07 01:38:17,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:32:37" (2/3) ... [2021-11-07 01:38:17,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afb2ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:17, skipping insertion in model container [2021-11-07 01:38:17,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:17" (3/3) ... [2021-11-07 01:38:17,979 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-07 01:38:17,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:38:17,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2021-11-07 01:38:18,049 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:38:18,054 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 01:38:18,055 INFO L340 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2021-11-07 01:38:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 4205 states, 3878 states have (on average 1.4734399174832389) internal successors, (5714), 4021 states have internal predecessors, (5714), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-07 01:38:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-07 01:38:18,148 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:18,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:38:18,150 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting runtime_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-07 01:38:18,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:18,155 INFO L85 PathProgramCache]: Analyzing trace with hash -250173610, now seen corresponding path program 1 times [2021-11-07 01:38:18,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:18,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407909326] [2021-11-07 01:38:18,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:18,202 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:18,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:18,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:18,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:39:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:13,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 4954 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:39:13,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:14,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:15,121 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 01:39:15,124 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:15,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407909326] [2021-11-07 01:39:15,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407909326] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:15,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:15,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:39:15,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592480440] [2021-11-07 01:39:15,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:39:15,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:15,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:39:15,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:15,171 INFO L87 Difference]: Start difference. First operand has 4205 states, 3878 states have (on average 1.4734399174832389) internal successors, (5714), 4021 states have internal predecessors, (5714), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) Second operand has 2 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:15,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:15,507 INFO L93 Difference]: Finished difference Result 8406 states and 12113 transitions. [2021-11-07 01:39:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:39:15,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2021-11-07 01:39:15,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:15,568 INFO L225 Difference]: With dead ends: 8406 [2021-11-07 01:39:15,568 INFO L226 Difference]: Without dead ends: 4182 [2021-11-07 01:39:15,626 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:15,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4182 states. [2021-11-07 01:39:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4182 to 4182. [2021-11-07 01:39:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4182 states, 3856 states have (on average 1.4149377593360997) internal successors, (5456), 3998 states have internal predecessors, (5456), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-07 01:39:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 5732 transitions. [2021-11-07 01:39:15,910 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 5732 transitions. Word has length 188 [2021-11-07 01:39:15,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:15,910 INFO L470 AbstractCegarLoop]: Abstraction has 4182 states and 5732 transitions. [2021-11-07 01:39:15,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 5732 transitions. [2021-11-07 01:39:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-07 01:39:15,915 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:15,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:39:16,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:16,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:16,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting runtime_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-07 01:39:16,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:16,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1108441756, now seen corresponding path program 1 times [2021-11-07 01:39:16,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:16,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108365815] [2021-11-07 01:39:16,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:16,172 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:16,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:16,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:16,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:40:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:12,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 4954 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:40:12,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:13,267 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 01:40:13,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:40:13,893 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 01:40:13,893 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:13,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108365815] [2021-11-07 01:40:13,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108365815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:13,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:13,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:40:13,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174701410] [2021-11-07 01:40:13,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:40:13,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:13,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:40:13,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:13,903 INFO L87 Difference]: Start difference. First operand 4182 states and 5732 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:14,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:14,802 INFO L93 Difference]: Finished difference Result 8217 states and 11333 transitions. [2021-11-07 01:40:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:40:14,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2021-11-07 01:40:14,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:14,851 INFO L225 Difference]: With dead ends: 8217 [2021-11-07 01:40:14,852 INFO L226 Difference]: Without dead ends: 4199 [2021-11-07 01:40:14,881 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:40:14,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4199 states. [2021-11-07 01:40:15,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4199 to 4199. [2021-11-07 01:40:15,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4199 states, 3873 states have (on average 1.413116447198554) internal successors, (5473), 4015 states have internal predecessors, (5473), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-07 01:40:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 4199 states and 5749 transitions. [2021-11-07 01:40:15,042 INFO L78 Accepts]: Start accepts. Automaton has 4199 states and 5749 transitions. Word has length 188 [2021-11-07 01:40:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:15,046 INFO L470 AbstractCegarLoop]: Abstraction has 4199 states and 5749 transitions. [2021-11-07 01:40:15,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:40:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 4199 states and 5749 transitions. [2021-11-07 01:40:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-07 01:40:15,058 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:15,059 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:15,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:15,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:40:15,281 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting runtime_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-07 01:40:15,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:15,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1355297186, now seen corresponding path program 1 times [2021-11-07 01:40:15,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:40:15,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854588340] [2021-11-07 01:40:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:15,307 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:40:15,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:40:15,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:40:15,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:41:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:10,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 4989 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:41:10,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:41:11,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:41:12,723 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:12,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854588340] [2021-11-07 01:41:12,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854588340] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:41:12,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2067460562] [2021-11-07 01:41:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:12,724 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:41:12,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:41:12,730 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:41:12,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-07 01:41:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:20,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 4989 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:41:20,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:41:21,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:41:21,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2067460562] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:21,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:41:21,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-07 01:41:21,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481835519] [2021-11-07 01:41:21,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:41:21,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:21,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:41:21,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:41:21,928 INFO L87 Difference]: Start difference. First operand 4199 states and 5749 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:23,269 INFO L93 Difference]: Finished difference Result 12203 states and 16832 transitions. [2021-11-07 01:41:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:41:23,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2021-11-07 01:41:23,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:23,339 INFO L225 Difference]: With dead ends: 12203 [2021-11-07 01:41:23,340 INFO L226 Difference]: Without dead ends: 8186 [2021-11-07 01:41:23,376 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:41:23,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8186 states. [2021-11-07 01:41:23,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8186 to 7866. [2021-11-07 01:41:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7866 states, 7356 states have (on average 1.4320282762370853) internal successors, (10534), 7501 states have internal predecessors, (10534), 274 states have call successors, (274), 96 states have call predecessors, (274), 96 states have return successors, (274), 270 states have call predecessors, (274), 274 states have call successors, (274) [2021-11-07 01:41:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7866 states to 7866 states and 11082 transitions. [2021-11-07 01:41:23,725 INFO L78 Accepts]: Start accepts. Automaton has 7866 states and 11082 transitions. Word has length 195 [2021-11-07 01:41:23,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:23,727 INFO L470 AbstractCegarLoop]: Abstraction has 7866 states and 11082 transitions. [2021-11-07 01:41:23,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:41:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7866 states and 11082 transitions. [2021-11-07 01:41:23,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-07 01:41:23,738 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:23,738 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:41:23,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:24,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:24,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:41:24,161 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting pcmcia_bus_matchErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-07 01:41:24,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:24,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1807178083, now seen corresponding path program 1 times [2021-11-07 01:41:24,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:24,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475335079] [2021-11-07 01:41:24,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:24,188 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:24,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:24,189 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:24,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:42:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:19,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 4995 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:42:19,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:42:20,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:42:21,577 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:42:21,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475335079] [2021-11-07 01:42:21,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475335079] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:42:21,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2012884946] [2021-11-07 01:42:21,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:21,577 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:42:21,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:42:21,578 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:42:21,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-07 01:42:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:42:29,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 4995 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:42:29,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:42:30,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:42:30,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2012884946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:42:30,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:42:30,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-07 01:42:30,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473228235] [2021-11-07 01:42:30,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:42:30,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:42:30,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:42:30,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:42:30,795 INFO L87 Difference]: Start difference. First operand 7866 states and 11082 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:38,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:42:38,527 INFO L93 Difference]: Finished difference Result 23048 states and 32578 transitions. [2021-11-07 01:42:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:42:38,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2021-11-07 01:42:38,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:42:38,680 INFO L225 Difference]: With dead ends: 23048 [2021-11-07 01:42:38,680 INFO L226 Difference]: Without dead ends: 15364 [2021-11-07 01:42:38,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 780 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:42:38,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15364 states. [2021-11-07 01:42:39,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15364 to 15049. [2021-11-07 01:42:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15049 states, 14185 states have (on average 1.440606274233345) internal successors, (20435), 14336 states have internal predecessors, (20435), 532 states have call successors, (532), 192 states have call predecessors, (532), 192 states have return successors, (532), 524 states have call predecessors, (532), 532 states have call successors, (532) [2021-11-07 01:42:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15049 states to 15049 states and 21499 transitions. [2021-11-07 01:42:39,441 INFO L78 Accepts]: Start accepts. Automaton has 15049 states and 21499 transitions. Word has length 196 [2021-11-07 01:42:39,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:42:39,442 INFO L470 AbstractCegarLoop]: Abstraction has 15049 states and 21499 transitions. [2021-11-07 01:42:39,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:42:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 15049 states and 21499 transitions. [2021-11-07 01:42:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-07 01:42:39,448 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:42:39,449 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:42:39,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:39,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:42:39,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:42:39,864 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-07 01:42:39,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:42:39,869 INFO L85 PathProgramCache]: Analyzing trace with hash -699839805, now seen corresponding path program 1 times [2021-11-07 01:42:39,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:42:39,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816948664] [2021-11-07 01:42:39,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:42:39,885 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:42:39,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:42:39,888 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:42:39,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:43:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:35,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 4945 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:43:35,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:43:36,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:43:37,680 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:43:37,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816948664] [2021-11-07 01:43:37,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816948664] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:43:37,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2085096496] [2021-11-07 01:43:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:37,680 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:43:37,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:43:37,681 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:43:37,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:43:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:43:45,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 4945 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:43:45,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:43:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:43:48,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:43:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:43:51,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2085096496] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:43:51,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:43:51,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 9 [2021-11-07 01:43:51,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564820760] [2021-11-07 01:43:51,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:43:51,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:43:51,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:43:51,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:43:51,785 INFO L87 Difference]: Start difference. First operand 15049 states and 21499 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 01:43:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:43:52,120 INFO L93 Difference]: Finished difference Result 15049 states and 21499 transitions. [2021-11-07 01:43:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:43:52,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 196 [2021-11-07 01:43:52,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:43:52,194 INFO L225 Difference]: With dead ends: 15049 [2021-11-07 01:43:52,195 INFO L226 Difference]: Without dead ends: 15047 [2021-11-07 01:43:52,206 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 780 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:43:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15047 states. [2021-11-07 01:43:52,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15047 to 15047. [2021-11-07 01:43:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15047 states, 14184 states have (on average 1.4405668358714043) internal successors, (20433), 14334 states have internal predecessors, (20433), 532 states have call successors, (532), 192 states have call predecessors, (532), 192 states have return successors, (532), 524 states have call predecessors, (532), 532 states have call successors, (532) [2021-11-07 01:43:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15047 states to 15047 states and 21497 transitions. [2021-11-07 01:43:52,823 INFO L78 Accepts]: Start accepts. Automaton has 15047 states and 21497 transitions. Word has length 196 [2021-11-07 01:43:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:43:52,824 INFO L470 AbstractCegarLoop]: Abstraction has 15047 states and 21497 transitions. [2021-11-07 01:43:52,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 01:43:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 15047 states and 21497 transitions. [2021-11-07 01:43:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-07 01:43:52,827 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:43:52,827 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:52,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:43:53,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-07 01:43:53,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:43:53,241 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-07 01:43:53,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:43:53,241 INFO L85 PathProgramCache]: Analyzing trace with hash -220180002, now seen corresponding path program 1 times [2021-11-07 01:43:53,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:43:53,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15059182] [2021-11-07 01:43:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:43:53,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:43:53,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:43:53,258 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:43:53,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:44:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:49,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 4946 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:44:49,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:44:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:44:50,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:44:51,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:44:51,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15059182] [2021-11-07 01:44:51,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15059182] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:51,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [727681966] [2021-11-07 01:44:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:44:51,111 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:44:51,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:44:51,121 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:44:51,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:44:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:44:59,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 4946 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:44:59,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:45:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:45:02,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:45:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:45:05,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [727681966] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:45:05,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:45:05,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 9 [2021-11-07 01:45:05,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871313035] [2021-11-07 01:45:05,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:45:05,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:45:05,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:45:05,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:45:05,563 INFO L87 Difference]: Start difference. First operand 15047 states and 21497 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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 01:45:05,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:05,879 INFO L93 Difference]: Finished difference Result 15047 states and 21497 transitions. [2021-11-07 01:45:05,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:45:05,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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 197 [2021-11-07 01:45:05,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:05,955 INFO L225 Difference]: With dead ends: 15047 [2021-11-07 01:45:05,955 INFO L226 Difference]: Without dead ends: 15045 [2021-11-07 01:45:05,967 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 777 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:45:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15045 states. [2021-11-07 01:45:06,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15045 to 15045. [2021-11-07 01:45:06,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15045 states, 14183 states have (on average 1.440527391948107) internal successors, (20431), 14332 states have internal predecessors, (20431), 532 states have call successors, (532), 192 states have call predecessors, (532), 192 states have return successors, (532), 524 states have call predecessors, (532), 532 states have call successors, (532) [2021-11-07 01:45:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15045 states to 15045 states and 21495 transitions. [2021-11-07 01:45:06,730 INFO L78 Accepts]: Start accepts. Automaton has 15045 states and 21495 transitions. Word has length 197 [2021-11-07 01:45:06,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:06,730 INFO L470 AbstractCegarLoop]: Abstraction has 15045 states and 21495 transitions. [2021-11-07 01:45:06,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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 01:45:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 15045 states and 21495 transitions. [2021-11-07 01:45:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-07 01:45:06,733 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:06,734 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:45:06,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:06,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:45:07,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:45:07,149 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-07 01:45:07,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:07,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1764372013, now seen corresponding path program 1 times [2021-11-07 01:45:07,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:45:07,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647094004] [2021-11-07 01:45:07,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:07,173 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:45:07,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:45:07,175 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:45:07,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0abfb96-85d0-4e93-8fc5-b73cdc94851a/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process