./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/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_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/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_8b373541-1b2d-439a-b302-de92772bf0e4/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 a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:08:05,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:08:05,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:08:05,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:08:05,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:08:05,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:08:05,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:08:05,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:08:05,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:08:05,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:08:05,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:08:05,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:08:05,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:08:05,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:08:05,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:08:05,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:08:05,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:08:05,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:08:05,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:08:05,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:08:05,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:08:05,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:08:05,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:08:05,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:08:05,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:08:05,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:08:05,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:08:05,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:08:05,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:08:05,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:08:05,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:08:05,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:08:05,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:08:05,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:08:05,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:08:05,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:08:05,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:08:05,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:08:05,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:08:05,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:08:05,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:08:05,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:08:05,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:08:05,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:08:05,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:08:05,667 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:08:05,667 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:08:05,667 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:08:05,667 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:08:05,668 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:08:05,668 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:08:05,668 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:08:05,669 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:08:05,670 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:08:05,670 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:08:05,670 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:08:05,671 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:08:05,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:08:05,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:08:05,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:08:05,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:08:05,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:08:05,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:08:05,673 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:08:05,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:08:05,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:08:05,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:08:05,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:08:05,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:08:05,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:08:05,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:08:05,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:08:05,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:08:05,675 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:08:05,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:08:05,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:08:05,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:08:05,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:08:05,677 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_8b373541-1b2d-439a-b302-de92772bf0e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 [2021-11-07 02:08:05,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:08:05,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:08:05,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:08:05,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:08:05,947 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:08:05,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-07 02:08:06,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/56536d53e/f5db0d03ca494d4bb1f14f644a80995d/FLAG40a8d3f47 [2021-11-07 02:08:06,927 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:08:06,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-07 02:08:06,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/56536d53e/f5db0d03ca494d4bb1f14f644a80995d/FLAG40a8d3f47 [2021-11-07 02:08:07,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/56536d53e/f5db0d03ca494d4bb1f14f644a80995d [2021-11-07 02:08:07,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:08:07,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:08:07,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:07,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:08:07,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:08:07,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:07" (1/1) ... [2021-11-07 02:08:07,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b52274a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:07, skipping insertion in model container [2021-11-07 02:08:07,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:07" (1/1) ... [2021-11-07 02:08:07,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:08:07,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:08:09,888 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 02:08:09,906 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 02:08:09,928 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 02:08:09,997 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 02:08:10,082 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 02:08:10,089 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 02:08:10,096 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 02:08:10,108 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 02:08:10,119 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 02:08:10,121 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 02:08:10,194 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 02:08:10,201 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 02:08:10,232 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 02:08:10,241 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 02:08:10,246 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 02:08:10,336 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 02:08:10,406 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 02:08:10,445 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 02:08:10,446 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 02:08:10,469 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 02:08:10,470 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 02:08:10,474 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 02:08:10,482 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 02:08:10,483 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 02:08:10,485 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 02:08:10,486 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 02:08:10,509 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 02:08:10,513 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 02:08:10,516 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 02:08:10,542 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:08:10,545 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 02:08:10,549 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 02:08:10,562 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 02:08:10,565 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 02:08:10,583 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 02:08:10,620 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 02:08:10,622 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:08:10,625 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 02:08:10,626 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:08:10,629 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:08:10,633 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 02:08:10,639 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:08:10,694 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:08:10,725 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 02:08:10,799 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:08:10,866 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 02:08:10,867 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 02:08:10,871 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 02:08:10,872 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 02:08:10,874 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 02:08:10,876 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 02:08:10,876 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 02:08:10,883 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 02:08:10,883 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 02:08:10,883 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 02:08:10,902 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_8b373541-1b2d-439a-b302-de92772bf0e4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-07 02:08:11,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:11,079 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 02:08:11,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43af983e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:11, skipping insertion in model container [2021-11-07 02:08:11,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:11,081 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:08:11,084 INFO L168 Benchmark]: Toolchain (without parser) took 3698.43 ms. Allocated memory was 115.3 MB in the beginning and 224.4 MB in the end (delta: 109.1 MB). Free memory was 67.6 MB in the beginning and 155.4 MB in the end (delta: -87.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:08:11,085 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory was 68.7 MB in the beginning and 68.5 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:08:11,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3695.80 ms. Allocated memory was 115.3 MB in the beginning and 224.4 MB in the end (delta: 109.1 MB). Free memory was 67.3 MB in the beginning and 155.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:08:11,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory was 68.7 MB in the beginning and 68.5 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3695.80 ms. Allocated memory was 115.3 MB in the beginning and 224.4 MB in the end (delta: 109.1 MB). Free memory was 67.3 MB in the beginning and 155.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6033]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/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_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/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_8b373541-1b2d-439a-b302-de92772bf0e4/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 a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:08:13,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:08:13,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:08:13,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:08:13,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:08:13,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:08:13,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:08:13,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:08:13,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:08:13,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:08:13,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:08:13,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:08:13,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:08:13,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:08:13,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:08:13,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:08:13,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:08:13,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:08:13,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:08:13,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:08:13,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:08:13,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:08:13,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:08:13,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:08:13,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:08:13,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:08:13,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:08:13,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:08:13,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:08:13,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:08:13,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:08:13,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:08:13,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:08:13,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:08:13,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:08:13,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:08:13,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:08:13,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:08:13,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:08:13,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:08:13,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:08:13,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:08:13,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:08:13,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:08:13,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:08:13,557 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:08:13,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:08:13,558 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:08:13,558 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:08:13,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:08:13,558 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:08:13,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:08:13,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:08:13,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:08:13,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:08:13,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:08:13,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:08:13,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:08:13,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:08:13,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:08:13,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:08:13,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:08:13,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:08:13,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:08:13,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:08:13,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:08:13,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:08:13,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:08:13,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:08:13,565 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:08:13,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:08:13,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:08:13,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:08:13,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:08:13,566 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_8b373541-1b2d-439a-b302-de92772bf0e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 [2021-11-07 02:08:13,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:08:13,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:08:13,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:08:13,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:08:13,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:08:13,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-07 02:08:14,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/9a227f14e/08f45a27d35f443eaa485e842b01ab98/FLAGed03dd04d [2021-11-07 02:08:15,108 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:08:15,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-07 02:08:15,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/9a227f14e/08f45a27d35f443eaa485e842b01ab98/FLAGed03dd04d [2021-11-07 02:08:15,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/data/9a227f14e/08f45a27d35f443eaa485e842b01ab98 [2021-11-07 02:08:15,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:08:15,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:08:15,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:15,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:08:15,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:08:15,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:15" (1/1) ... [2021-11-07 02:08:15,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517d5dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:15, skipping insertion in model container [2021-11-07 02:08:15,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:15" (1/1) ... [2021-11-07 02:08:15,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:08:15,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:08:18,519 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 02:08:18,912 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_8b373541-1b2d-439a-b302-de92772bf0e4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-07 02:08:18,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:19,049 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:08:19,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:08:19,780 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_8b373541-1b2d-439a-b302-de92772bf0e4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-07 02:08:19,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:19,834 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:08:20,614 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_8b373541-1b2d-439a-b302-de92772bf0e4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-07 02:08:20,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:08:20,776 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:08:20,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20 WrapperNode [2021-11-07 02:08:20,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:08:20,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:08:20,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:08:20,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:08:20,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:20,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:22,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:08:22,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:08:22,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:08:22,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:08:22,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:22,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:22,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:22,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:23,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:24,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:24,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:24,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:08:24,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:08:24,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:08:24,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:08:24,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (1/1) ... [2021-11-07 02:08:24,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:08:24,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:08:24,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:08:24,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:08:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:08:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:08:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:08:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:08:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 02:08:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:08:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_Soft_Hard_ResetHandler [2021-11-07 02:08:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_Soft_Hard_ResetHandler [2021-11-07 02:08:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure KickStart [2021-11-07 02:08:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure KickStart [2021-11-07 02:08:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_readScsiDevicePageHeaders [2021-11-07 02:08:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_readScsiDevicePageHeaders [2021-11-07 02:08:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_manufacturing_pg_0 [2021-11-07 02:08:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_manufacturing_pg_0 [2021-11-07 02:08:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_3 [2021-11-07 02:08:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_3 [2021-11-07 02:08:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_4 [2021-11-07 02:08:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_4 [2021-11-07 02:08:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_1 [2021-11-07 02:08:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_1 [2021-11-07 02:08:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_signal_reset [2021-11-07 02:08:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_signal_reset [2021-11-07 02:08:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:08:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_raid_phys_disk_pg0 [2021-11-07 02:08:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_raid_phys_disk_pg0 [2021-11-07 02:08:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure MakeIocReady [2021-11-07 02:08:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure MakeIocReady [2021-11-07 02:08:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:08:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_HardResetHandler [2021-11-07 02:08:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_HardResetHandler [2021-11-07 02:08:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-07 02:08:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-07 02:08:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:08:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:08:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 02:08:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:08:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:08:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:08:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:08:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:08:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-07 02:08:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_SoftResetHandler [2021-11-07 02:08:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_SoftResetHandler [2021-11-07 02:08:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-07 02:08:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-07 02:08:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure mptbase_sas_persist_operation [2021-11-07 02:08:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mptbase_sas_persist_operation [2021-11-07 02:08:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure GetIoUnitPage2 [2021-11-07 02:08:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure GetIoUnitPage2 [2021-11-07 02:08:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_inactive_raid_volumes [2021-11-07 02:08:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_inactive_raid_volumes [2021-11-07 02:08:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_diag_reset [2021-11-07 02:08:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_diag_reset [2021-11-07 02:08:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:08:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:08:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:08:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:08:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 02:08:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-07 02:08:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_fault_reset_work [2021-11-07 02:08:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_fault_reset_work [2021-11-07 02:08:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_13 [2021-11-07 02:08:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_13 [2021-11-07 02:08:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2021-11-07 02:08:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2021-11-07 02:08:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:08:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_detach [2021-11-07 02:08:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_detach [2021-11-07 02:08:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:08:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 02:08:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:08:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:08:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_do_ioc_recovery [2021-11-07 02:08:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_do_ioc_recovery [2021-11-07 02:08:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 02:08:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 02:08:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:08:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure GetLanConfigPages [2021-11-07 02:08:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure GetLanConfigPages [2021-11-07 02:08:24,823 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-07 02:08:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-07 02:08:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_findImVolumes [2021-11-07 02:08:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_findImVolumes [2021-11-07 02:08:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetScsiPortSettings [2021-11-07 02:08:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetScsiPortSettings [2021-11-07 02:08:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_attach [2021-11-07 02:08:24,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_attach [2021-11-07 02:08:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:08:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 02:08:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:08:24,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:08:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2021-11-07 02:08:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2021-11-07 02:18:44,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:18:44,052 INFO L299 CfgBuilder]: Removed 6511 assume(true) statements. [2021-11-07 02:18:44,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:44 BoogieIcfgContainer [2021-11-07 02:18:44,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:18:44,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:18:44,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:18:44,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:18:44,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:08:15" (1/3) ... [2021-11-07 02:18:44,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6cc868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:44, skipping insertion in model container [2021-11-07 02:18:44,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:20" (2/3) ... [2021-11-07 02:18:44,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6cc868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:44, skipping insertion in model container [2021-11-07 02:18:44,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:44" (3/3) ... [2021-11-07 02:18:44,076 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-07 02:18:44,083 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:18:44,083 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:18:44,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:18:44,192 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 02:18:44,192 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:18:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 12682 states, 12548 states have (on average 1.4929869301880778) internal successors, (18734), 12558 states have internal predecessors, (18734), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-07 02:18:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-07 02:18:44,440 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:44,441 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:18:44,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:18:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:44,448 INFO L85 PathProgramCache]: Analyzing trace with hash 482466658, now seen corresponding path program 1 times [2021-11-07 02:18:44,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:18:44,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690634771] [2021-11-07 02:18:44,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:44,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:18:44,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:18:44,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:18:44,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:21:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:14,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 5013 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:21:14,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:14,773 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 02:21:14,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:15,345 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 02:21:15,346 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:15,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690634771] [2021-11-07 02:21:15,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690634771] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:15,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:15,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:21:15,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536195031] [2021-11-07 02:21:15,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:21:15,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:21:15,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:21:15,403 INFO L87 Difference]: Start difference. First operand has 12682 states, 12548 states have (on average 1.4929869301880778) internal successors, (18734), 12558 states have internal predecessors, (18734), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:16,100 INFO L93 Difference]: Finished difference Result 25306 states and 37896 transitions. [2021-11-07 02:21:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:21:16,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-07 02:21:16,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:16,253 INFO L225 Difference]: With dead ends: 25306 [2021-11-07 02:21:16,254 INFO L226 Difference]: Without dead ends: 12608 [2021-11-07 02:21:16,353 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:21:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2021-11-07 02:21:16,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12608. [2021-11-07 02:21:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12608 states, 12475 states have (on average 1.4815230460921844) internal successors, (18482), 12484 states have internal predecessors, (18482), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-07 02:21:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 18684 transitions. [2021-11-07 02:21:17,123 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 18684 transitions. Word has length 78 [2021-11-07 02:21:17,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:17,124 INFO L470 AbstractCegarLoop]: Abstraction has 12608 states and 18684 transitions. [2021-11-07 02:21:17,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 18684 transitions. [2021-11-07 02:21:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-07 02:21:17,141 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:17,142 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:17,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:17,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:17,343 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:21:17,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:17,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1026130578, now seen corresponding path program 1 times [2021-11-07 02:21:17,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:17,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312131573] [2021-11-07 02:21:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:17,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:17,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:17,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:17,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b373541-1b2d-439a-b302-de92772bf0e4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process