./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs --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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:27,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:27,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:27,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:27,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:27,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:27,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:27,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:27,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:27,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:27,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:27,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:27,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:27,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:27,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:27,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:27,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:27,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:27,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:27,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:27,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:27,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:27,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:27,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:27,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:27,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:27,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:27,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:27,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:27,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:27,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:27,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:27,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:27,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:27,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:27,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:27,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:27,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:27,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:27,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:27,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:27,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:59:27,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:27,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:27,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:27,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:27,630 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:27,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:27,631 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:27,631 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:59:27,631 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:27,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:27,632 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:59:27,632 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:59:27,633 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:27,633 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:59:27,633 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:59:27,633 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:59:27,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:27,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:59:27,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:27,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:27,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:27,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:27,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:27,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:27,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:27,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:27,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:27,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:27,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:27,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:27,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:27,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:27,639 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:59:27,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:59:27,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:27,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:27,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:27,640 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_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-11-19 13:59:27,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:28,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:28,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:28,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:28,014 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:28,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-19 13:59:28,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/324f82639/ca5aca13b1b84abb8ae6da76d067814f/FLAG7a2e14d40 [2021-11-19 13:59:29,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:29,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-19 13:59:29,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/324f82639/ca5aca13b1b84abb8ae6da76d067814f/FLAG7a2e14d40 [2021-11-19 13:59:29,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/324f82639/ca5aca13b1b84abb8ae6da76d067814f [2021-11-19 13:59:29,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:29,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:29,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:29,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:29,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:29,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef7933b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:29, skipping insertion in model container [2021-11-19 13:59:29,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:29" (1/1) ... [2021-11-19 13:59:29,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:29,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:30,459 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-19 13:59:30,461 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-19 13:59:31,208 WARN L230 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_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-19 13:59:31,318 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,475 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,481 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,488 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,493 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,517 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,601 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,763 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,775 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,852 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:31,857 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,138 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,144 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,154 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,215 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,216 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,219 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,235 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,248 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,250 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,304 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,305 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,312 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,324 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,325 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,334 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,337 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,339 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,345 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,351 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,387 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,388 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,390 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,484 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,514 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,533 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,535 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,552 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,558 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,577 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,578 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,579 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,593 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,596 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,597 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,603 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,603 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,604 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,606 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,608 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,611 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,612 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,612 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,613 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,620 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,624 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,626 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,627 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,634 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,637 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,650 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,651 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,652 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,652 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,653 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,654 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,655 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,656 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,657 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,658 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,661 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,662 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,673 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,673 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,674 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,675 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,678 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,679 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,698 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,717 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,718 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,735 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,737 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,738 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,738 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,740 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,740 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,741 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,742 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,744 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,744 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,745 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,746 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,750 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,757 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,759 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,759 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,760 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,763 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,781 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,788 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,790 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,790 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,802 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,806 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,806 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,807 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,819 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,819 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,822 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,823 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,824 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,826 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,828 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,837 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,838 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,839 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,841 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,843 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,846 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,861 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,862 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,890 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,902 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,903 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,904 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,906 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,908 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,956 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,957 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,958 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,959 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,960 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,960 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,961 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,961 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,961 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,962 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,963 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,964 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,965 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,968 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,969 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,970 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,970 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,971 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,972 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,973 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,974 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:32,974 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,001 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,002 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,003 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,003 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,004 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,005 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,007 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,007 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,008 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,009 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,009 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,009 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,010 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,011 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,011 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,011 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,012 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,012 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,014 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,015 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,183 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,225 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,238 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,240 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,246 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,247 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,248 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,267 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,269 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,270 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,272 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,273 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,274 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,348 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:59:33,384 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-19 13:59:33,406 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:33,470 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) [2021-11-19 13:59:33,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c27421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:33, skipping insertion in model container [2021-11-19 13:59:33,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:33,471 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:59:33,473 INFO L158 Benchmark]: Toolchain (without parser) took 3944.43ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 69.6MB in the beginning and 62.7MB in the end (delta: 6.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2021-11-19 13:59:33,474 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:59:33,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3936.01ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 69.2MB in the beginning and 62.7MB in the end (delta: 6.5MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2021-11-19 13:59:33,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3936.01ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 69.2MB in the beginning and 62.7MB in the end (delta: 6.5MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6020]: 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_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs --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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:35,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:35,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:35,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:35,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:35,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:36,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:36,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:36,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:36,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:36,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:36,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:36,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:36,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:36,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:36,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:36,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:36,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:36,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:36,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:36,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:36,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:36,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:36,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:36,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:36,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:36,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:36,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:36,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:36,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:36,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:36,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:36,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:36,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:36,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:36,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:36,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:36,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:36,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:36,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:36,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:36,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:59:36,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:36,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:36,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:36,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:36,140 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:36,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:36,141 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:36,141 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:36,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:36,142 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:36,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:36,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:36,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:36,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:36,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:36,146 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:36,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:59:36,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:59:36,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:36,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:36,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:36,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:36,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:59:36,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:36,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:36,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:36,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:36,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:36,150 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:59:36,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:59:36,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:36,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:36,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:36,151 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_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-11-19 13:59:36,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:36,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:36,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:36,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:36,592 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:36,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-19 13:59:36,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/77897b1ce/cc21f693338b440aa310025a436ecf37/FLAG7d6853118 [2021-11-19 13:59:37,874 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:37,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-19 13:59:37,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/77897b1ce/cc21f693338b440aa310025a436ecf37/FLAG7d6853118 [2021-11-19 13:59:38,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/data/77897b1ce/cc21f693338b440aa310025a436ecf37 [2021-11-19 13:59:38,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:38,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:38,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:38,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:38,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:38,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:38" (1/1) ... [2021-11-19 13:59:38,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256dfcb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:38, skipping insertion in model container [2021-11-19 13:59:38,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:38" (1/1) ... [2021-11-19 13:59:38,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:38,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:39,149 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-19 13:59:39,150 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-19 13:59:39,879 WARN L230 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_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-19 13:59:41,976 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-19 13:59:42,009 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:42,131 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:59:42,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:42,364 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-19 13:59:42,365 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-19 13:59:42,406 WARN L230 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_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-19 13:59:42,704 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-19 13:59:42,714 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:42,791 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:59:43,034 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-19 13:59:43,049 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-19 13:59:43,082 WARN L230 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_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-19 13:59:43,646 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-19 13:59:43,654 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:43,926 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:59:43,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43 WrapperNode [2021-11-19 13:59:43,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:43,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:59:43,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:59:43,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:59:43,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,284 INFO L137 Inliner]: procedures = 468, calls = 2280, calls flagged for inlining = 217, calls inlined = 215, statements flattened = 6999 [2021-11-19 13:59:44,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:59:44,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:59:44,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:59:44,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:59:44,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:59:44,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:59:44,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:59:44,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:59:44,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (1/1) ... [2021-11-19 13:59:44,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:44,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:59:44,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:59:44,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:59:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 13:59:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 13:59:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-19 13:59:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure unix_gc [2021-11-19 13:59:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_gc [2021-11-19 13:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure unix_sysctl_unregister [2021-11-19 13:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_sysctl_unregister [2021-11-19 13:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-19 13:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-19 13:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-19 13:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-19 13:59:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 13:59:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 13:59:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure sock_sndtimeo [2021-11-19 13:59:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_sndtimeo [2021-11-19 13:59:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-19 13:59:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-19 13:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:59:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_addr [2021-11-19 13:59:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_addr [2021-11-19 13:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_lock [2021-11-19 13:59:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_lock [2021-11-19 13:59:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure unix_set_peek_off [2021-11-19 13:59:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_set_peek_off [2021-11-19 13:59:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-19 13:59:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-19 13:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_disconnected [2021-11-19 13:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_disconnected [2021-11-19 13:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2021-11-19 13:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2021-11-19 13:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy [2021-11-19 13:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy [2021-11-19 13:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure put_cmsg [2021-11-19 13:59:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cmsg [2021-11-19 13:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure unix_create1 [2021-11-19 13:59:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_create1 [2021-11-19 13:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_poll [2021-11-19 13:59:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_poll [2021-11-19 13:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-19 13:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-19 13:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure unix_recvq_full [2021-11-19 13:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_recvq_full [2021-11-19 13:59:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 13:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 13:59:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure unix_shutdown [2021-11-19 13:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_shutdown [2021-11-19 13:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 13:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure scan_children [2021-11-19 13:59:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_children [2021-11-19 13:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-19 13:59:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-19 13:59:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_fwd [2021-11-19 13:59:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_fwd [2021-11-19 13:59:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-19 13:59:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:59:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure unix_find_other [2021-11-19 13:59:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_find_other [2021-11-19 13:59:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:59:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure unix_scm_to_skb [2021-11-19 13:59:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_scm_to_skb [2021-11-19 13:59:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure scm_send [2021-11-19 13:59:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_send [2021-11-19 13:59:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:59:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:59:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure sk_set_socket [2021-11-19 13:59:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_set_socket [2021-11-19 13:59:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure unix_autobind [2021-11-19 13:59:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_autobind [2021-11-19 13:59:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:59:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:59:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2021-11-19 13:59:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2021-11-19 13:59:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-11-19 13:59:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-11-19 13:59:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure unix_mkname [2021-11-19 13:59:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_mkname [2021-11-19 13:59:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:59:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:59:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure sock_intr_errno [2021-11-19 13:59:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_intr_errno [2021-11-19 13:59:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2021-11-19 13:59:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2021-11-19 13:59:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure unix_may_send [2021-11-19 13:59:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_may_send [2021-11-19 13:59:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:59:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:59:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-19 13:59:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-19 13:59:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-11-19 13:59:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-11-19 13:59:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure unix_listen [2021-11-19 13:59:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_listen [2021-11-19 13:59:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2021-11-19 13:59:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2021-11-19 13:59:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-19 13:59:44,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-19 13:59:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 13:59:44,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 13:59:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2021-11-19 13:59:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2021-11-19 13:59:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure kiocb_to_siocb [2021-11-19 13:59:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kiocb_to_siocb [2021-11-19 13:59:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure init_peercred [2021-11-19 13:59:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peercred [2021-11-19 13:59:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 13:59:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 13:59:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-19 13:59:44,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-19 13:59:44,767 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_sendmsg [2021-11-19 13:59:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_sendmsg [2021-11-19 13:59:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure unix_stream_connect [2021-11-19 13:59:44,773 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_stream_connect [2021-11-19 13:59:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-11-19 13:59:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-11-19 13:59:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_dec [2021-11-19 13:59:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_dec [2021-11-19 13:59:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure unix_skb_len [2021-11-19 13:59:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_skb_len [2021-11-19 13:59:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2021-11-19 13:59:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2021-11-19 13:59:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_unlock [2021-11-19 13:59:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_unlock [2021-11-19 13:59:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:59:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-19 13:59:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-19 13:59:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:59:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:59:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:59:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:59:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:59:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:59:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:59:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:59:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure unix_net_exit [2021-11-19 13:59:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_net_exit [2021-11-19 13:59:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure unix_detach_fds [2021-11-19 13:59:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_detach_fds [2021-11-19 13:59:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure touch_atime [2021-11-19 13:59:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_atime [2021-11-19 13:59:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure unix_seq_stop [2021-11-19 13:59:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_seq_stop [2021-11-19 13:59:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-19 13:59:44,778 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-19 13:59:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-19 13:59:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-19 13:59:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2021-11-19 13:59:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2021-11-19 13:59:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:59:44,779 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:59:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 13:59:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 13:59:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure unix_accept [2021-11-19 13:59:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_accept [2021-11-19 13:59:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_recvmsg [2021-11-19 13:59:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_recvmsg [2021-11-19 13:59:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:59:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:59:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-19 13:59:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-19 13:59:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:59:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure unix_wait_for_peer [2021-11-19 13:59:44,781 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_wait_for_peer [2021-11-19 13:59:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure unix_hash_fold [2021-11-19 13:59:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_hash_fold [2021-11-19 13:59:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure scan_inflight [2021-11-19 13:59:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_inflight [2021-11-19 13:59:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-19 13:59:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-19 13:59:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:59:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:59:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 13:59:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 13:59:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:59:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-19 13:59:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-19 13:59:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:59:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-19 13:59:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-19 13:59:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-19 13:59:44,784 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-19 13:59:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:59:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:59:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:59:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:59:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:59:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:59:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-19 13:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-19 13:59:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 13:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 13:59:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure unix_peer_get [2021-11-19 13:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_peer_get [2021-11-19 13:59:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure unix_bind [2021-11-19 13:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_bind [2021-11-19 13:59:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2021-11-19 13:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2021-11-19 13:59:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure unix_copy_addr [2021-11-19 13:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_copy_addr [2021-11-19 13:59:44,787 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-19 13:59:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-19 13:59:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-19 13:59:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-19 13:59:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 13:59:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 13:59:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-19 13:59:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-19 13:59:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure sock_poll_wait [2021-11-19 13:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_poll_wait [2021-11-19 13:59:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_find_socket_byname [2021-11-19 13:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_find_socket_byname [2021-11-19 13:59:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2021-11-19 13:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2021-11-19 13:59:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 13:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 13:59:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:59:44,790 INFO L130 BoogieDeclarations]: Found specification of procedure scm_recv [2021-11-19 13:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_recv [2021-11-19 13:59:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release [2021-11-19 13:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release [2021-11-19 13:59:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 13:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 13:59:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2021-11-19 13:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2021-11-19 13:59:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_getsockopt [2021-11-19 13:59:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_getsockopt [2021-11-19 13:59:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2021-11-19 13:59:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2021-11-19 13:59:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:59:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset [2021-11-19 13:59:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset [2021-11-19 13:59:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:59:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure unix_get_socket [2021-11-19 13:59:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_get_socket [2021-11-19 13:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unhashed [2021-11-19 13:59:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unhashed [2021-11-19 13:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-19 13:59:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-19 13:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-11-19 13:59:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-11-19 13:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-19 13:59:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-19 13:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure scm_set_cred [2021-11-19 13:59:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_set_cred [2021-11-19 13:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-19 13:59:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-19 13:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-19 13:59:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-19 13:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-11-19 13:59:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-11-19 13:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wake_async [2021-11-19 13:59:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wake_async [2021-11-19 13:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 13:59:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 13:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_add_creds [2021-11-19 13:59:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_add_creds [2021-11-19 13:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 13:59:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 13:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_datagram [2021-11-19 13:59:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_datagram [2021-11-19 13:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:59:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2021-11-19 13:59:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2021-11-19 13:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure sock_prot_inuse_add [2021-11-19 13:59:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_prot_inuse_add [2021-11-19 13:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 13:59:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 13:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure sk_next [2021-11-19 13:59:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_next [2021-11-19 13:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_insert_socket [2021-11-19 13:59:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_insert_socket [2021-11-19 13:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure sock_error [2021-11-19 13:59:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_error [2021-11-19 13:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_remove_socket [2021-11-19 13:59:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_remove_socket [2021-11-19 13:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2021-11-19 13:59:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2021-11-19 13:59:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:59:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:59:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-19 13:59:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:59:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure scm_fp_dup [2021-11-19 13:59:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_fp_dup [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure security_unix_may_send [2021-11-19 13:59:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure security_unix_may_send [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_mmap [2021-11-19 13:59:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_mmap [2021-11-19 13:59:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy_cred [2021-11-19 13:59:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy_cred [2021-11-19 13:59:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:59:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:59:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-11-19 13:59:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-11-19 13:59:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2021-11-19 13:59:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2021-11-19 13:59:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-19 13:59:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-19 13:59:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure task_tgid [2021-11-19 13:59:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure task_tgid [2021-11-19 13:59:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 13:59:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 13:59:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 13:59:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 13:59:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_unix_gc [2021-11-19 13:59:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_unix_gc [2021-11-19 13:59:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-19 13:59:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-19 13:59:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure unix_next_socket [2021-11-19 13:59:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_next_socket [2021-11-19 13:59:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_setsockopt [2021-11-19 13:59:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_setsockopt [2021-11-19 13:59:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_bwd [2021-11-19 13:59:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_bwd [2021-11-19 13:59:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 13:59:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 13:59:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure unix_writable [2021-11-19 13:59:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_writable [2021-11-19 13:59:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-19 13:59:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-19 13:59:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure unix_socketpair [2021-11-19 13:59:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_socketpair [2021-11-19 13:59:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_sendpage [2021-11-19 13:59:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_sendpage [2021-11-19 13:59:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 13:59:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 13:59:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure unix_getname [2021-11-19 13:59:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_getname [2021-11-19 13:59:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure unix_ioctl [2021-11-19 13:59:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_ioctl [2021-11-19 13:59:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2021-11-19 13:59:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2021-11-19 13:59:46,015 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:59:46,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:59:46,446 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:00:14,965 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:00:14,994 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:00:14,994 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:00:15,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:15 BoogieIcfgContainer [2021-11-19 14:00:15,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:00:15,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:00:15,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:00:15,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:00:15,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:59:38" (1/3) ... [2021-11-19 14:00:15,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2defb012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:15, skipping insertion in model container [2021-11-19 14:00:15,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:43" (2/3) ... [2021-11-19 14:00:15,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2defb012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:15, skipping insertion in model container [2021-11-19 14:00:15,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:15" (3/3) ... [2021-11-19 14:00:15,009 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-19 14:00:15,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:00:15,015 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:00:15,076 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:00:15,090 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 [2021-11-19 14:00:15,090 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:00:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) [2021-11-19 14:00:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-19 14:00:15,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:15,222 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 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] [2021-11-19 14:00:15,223 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:15,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:15,230 INFO L85 PathProgramCache]: Analyzing trace with hash 517155252, now seen corresponding path program 1 times [2021-11-19 14:00:15,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:15,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008351404] [2021-11-19 14:00:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:15,253 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:15,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:15,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:15,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:00:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:17,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 1699 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:00:17,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-19 14:00:18,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-19 14:00:18,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:18,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008351404] [2021-11-19 14:00:18,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008351404] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:18,741 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:18,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:00:18,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959797487] [2021-11-19 14:00:18,744 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:18,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:00:18,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:00:18,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:18,785 INFO L87 Difference]: Start difference. First operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 14:00:19,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:19,611 INFO L93 Difference]: Finished difference Result 7773 states and 11266 transitions. [2021-11-19 14:00:19,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:00:19,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2021-11-19 14:00:19,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:19,676 INFO L225 Difference]: With dead ends: 7773 [2021-11-19 14:00:19,676 INFO L226 Difference]: Without dead ends: 4986 [2021-11-19 14:00:19,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:19,712 INFO L933 BasicCegarLoop]: 4481 mSDtfsCounter, 3328 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 8272 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:19,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3328 Valid, 8272 Invalid, 56 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:00:19,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4986 states. [2021-11-19 14:00:20,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4986 to 4981. [2021-11-19 14:00:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4981 states, 3434 states have (on average 1.3444962143273151) internal successors, (4617), 3611 states have internal predecessors, (4617), 1238 states have call successors, (1238), 309 states have call predecessors, (1238), 308 states have return successors, (1237), 1206 states have call predecessors, (1237), 1237 states have call successors, (1237) [2021-11-19 14:00:20,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4981 states to 4981 states and 7092 transitions. [2021-11-19 14:00:20,163 INFO L78 Accepts]: Start accepts. Automaton has 4981 states and 7092 transitions. Word has length 214 [2021-11-19 14:00:20,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:20,168 INFO L470 AbstractCegarLoop]: Abstraction has 4981 states and 7092 transitions. [2021-11-19 14:00:20,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 14:00:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4981 states and 7092 transitions. [2021-11-19 14:00:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-19 14:00:20,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:20,180 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 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] [2021-11-19 14:00:20,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 14:00:20,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:00:20,402 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:20,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash 2586623, now seen corresponding path program 1 times [2021-11-19 14:00:20,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:20,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821231569] [2021-11-19 14:00:20,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:20,406 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:20,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:20,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:20,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:00:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:22,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 1697 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:00:22,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-19 14:00:23,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-19 14:00:23,682 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:23,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821231569] [2021-11-19 14:00:23,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821231569] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:23,683 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:23,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:00:23,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089222320] [2021-11-19 14:00:23,683 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:23,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:00:23,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:23,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:00:23,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:23,686 INFO L87 Difference]: Start difference. First operand 4981 states and 7092 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 14:00:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:24,516 INFO L93 Difference]: Finished difference Result 14554 states and 20649 transitions. [2021-11-19 14:00:24,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:00:24,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2021-11-19 14:00:24,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:24,625 INFO L225 Difference]: With dead ends: 14554 [2021-11-19 14:00:24,625 INFO L226 Difference]: Without dead ends: 9632 [2021-11-19 14:00:24,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:24,667 INFO L933 BasicCegarLoop]: 4872 mSDtfsCounter, 3647 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3647 SdHoareTripleChecker+Valid, 8620 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:24,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3647 Valid, 8620 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:00:24,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9632 states. [2021-11-19 14:00:25,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9632 to 9627. [2021-11-19 14:00:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9627 states, 6657 states have (on average 1.3406940063091484) internal successors, (8925), 6996 states have internal predecessors, (8925), 2357 states have call successors, (2357), 613 states have call predecessors, (2357), 612 states have return successors, (2356), 2301 states have call predecessors, (2356), 2356 states have call successors, (2356) [2021-11-19 14:00:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9627 states to 9627 states and 13638 transitions. [2021-11-19 14:00:25,453 INFO L78 Accepts]: Start accepts. Automaton has 9627 states and 13638 transitions. Word has length 213 [2021-11-19 14:00:25,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:25,455 INFO L470 AbstractCegarLoop]: Abstraction has 9627 states and 13638 transitions. [2021-11-19 14:00:25,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 14:00:25,457 INFO L276 IsEmpty]: Start isEmpty. Operand 9627 states and 13638 transitions. [2021-11-19 14:00:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-19 14:00:25,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:25,465 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 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] [2021-11-19 14:00:25,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:25,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:00:25,686 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:25,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:25,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1347570925, now seen corresponding path program 1 times [2021-11-19 14:00:25,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:25,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38862682] [2021-11-19 14:00:25,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:25,690 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:25,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:25,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:25,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:00:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:28,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:00:28,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-19 14:00:28,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-19 14:00:29,028 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:29,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38862682] [2021-11-19 14:00:29,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38862682] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:29,029 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:29,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:00:29,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767143448] [2021-11-19 14:00:29,029 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:29,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:00:29,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:29,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:00:29,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:29,031 INFO L87 Difference]: Start difference. First operand 9627 states and 13638 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 14:00:30,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:30,079 INFO L93 Difference]: Finished difference Result 26193 states and 36968 transitions. [2021-11-19 14:00:30,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:00:30,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2021-11-19 14:00:30,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:30,257 INFO L225 Difference]: With dead ends: 26193 [2021-11-19 14:00:30,257 INFO L226 Difference]: Without dead ends: 16625 [2021-11-19 14:00:30,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:30,326 INFO L933 BasicCegarLoop]: 6635 mSDtfsCounter, 3670 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 10383 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:30,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3670 Valid, 10383 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:00:30,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2021-11-19 14:00:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16622. [2021-11-19 14:00:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16622 states, 11543 states have (on average 1.3377804730139478) internal successors, (15442), 12127 states have internal predecessors, (15442), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2021-11-19 14:00:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16622 states to 16622 states and 23411 transitions. [2021-11-19 14:00:31,550 INFO L78 Accepts]: Start accepts. Automaton has 16622 states and 23411 transitions. Word has length 220 [2021-11-19 14:00:31,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:31,552 INFO L470 AbstractCegarLoop]: Abstraction has 16622 states and 23411 transitions. [2021-11-19 14:00:31,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 14:00:31,552 INFO L276 IsEmpty]: Start isEmpty. Operand 16622 states and 23411 transitions. [2021-11-19 14:00:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-19 14:00:31,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:31,583 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:31,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-19 14:00:31,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:00:31,810 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:31,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:31,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1196821462, now seen corresponding path program 1 times [2021-11-19 14:00:31,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:31,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106843426] [2021-11-19 14:00:31,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:31,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:31,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:31,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:31,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:00:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:34,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 2161 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:00:34,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 2468 proven. 0 refuted. 0 times theorem prover too weak. 2440 trivial. 0 not checked. [2021-11-19 14:00:35,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:35,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4904 trivial. 0 not checked. [2021-11-19 14:00:35,987 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:35,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106843426] [2021-11-19 14:00:35,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106843426] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:35,987 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:35,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 14:00:35,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839583606] [2021-11-19 14:00:35,988 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:35,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:00:35,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:35,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:00:35,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:00:35,992 INFO L87 Difference]: Start difference. First operand 16622 states and 23411 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-19 14:00:38,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:00:39,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:39,147 INFO L93 Difference]: Finished difference Result 33209 states and 46764 transitions. [2021-11-19 14:00:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:00:39,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 370 [2021-11-19 14:00:39,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:39,264 INFO L225 Difference]: With dead ends: 33209 [2021-11-19 14:00:39,264 INFO L226 Difference]: Without dead ends: 16615 [2021-11-19 14:00:39,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 735 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:00:39,342 INFO L933 BasicCegarLoop]: 3886 mSDtfsCounter, 6 mSDsluCounter, 11653 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15539 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:39,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 15539 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:00:39,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16615 states. [2021-11-19 14:00:40,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16615 to 16587. [2021-11-19 14:00:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16587 states, 11508 states have (on average 1.3374174487313173) internal successors, (15391), 12092 states have internal predecessors, (15391), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2021-11-19 14:00:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16587 states to 16587 states and 23360 transitions. [2021-11-19 14:00:40,663 INFO L78 Accepts]: Start accepts. Automaton has 16587 states and 23360 transitions. Word has length 370 [2021-11-19 14:00:40,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:40,664 INFO L470 AbstractCegarLoop]: Abstraction has 16587 states and 23360 transitions. [2021-11-19 14:00:40,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-19 14:00:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 16587 states and 23360 transitions. [2021-11-19 14:00:40,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-19 14:00:40,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:40,695 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:40,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:40,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:00:40,919 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:40,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:40,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1732094790, now seen corresponding path program 1 times [2021-11-19 14:00:40,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:40,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528238460] [2021-11-19 14:00:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:40,923 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:40,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:40,929 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:40,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:00:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:43,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:00:43,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4908 trivial. 0 not checked. [2021-11-19 14:00:45,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4908 trivial. 0 not checked. [2021-11-19 14:00:46,679 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:46,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528238460] [2021-11-19 14:00:46,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528238460] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:46,680 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:46,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-19 14:00:46,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557127841] [2021-11-19 14:00:46,680 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:46,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:00:46,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:46,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:00:46,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:46,683 INFO L87 Difference]: Start difference. First operand 16587 states and 23360 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2021-11-19 14:00:47,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:47,453 INFO L93 Difference]: Finished difference Result 27677 states and 38870 transitions. [2021-11-19 14:00:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:00:47,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) Word has length 372 [2021-11-19 14:00:47,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:47,632 INFO L225 Difference]: With dead ends: 27677 [2021-11-19 14:00:47,632 INFO L226 Difference]: Without dead ends: 27674 [2021-11-19 14:00:47,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:00:47,648 INFO L933 BasicCegarLoop]: 4634 mSDtfsCounter, 2952 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 7903 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:47,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2952 Valid, 7903 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:47,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27674 states. [2021-11-19 14:00:49,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27674 to 27192. [2021-11-19 14:00:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27192 states, 19243 states have (on average 1.3444369381073638) internal successors, (25871), 20094 states have internal predecessors, (25871), 5996 states have call successors, (5996), 1964 states have call predecessors, (5996), 1952 states have return successors, (6192), 5814 states have call predecessors, (6192), 5995 states have call successors, (6192) [2021-11-19 14:00:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27192 states to 27192 states and 38059 transitions. [2021-11-19 14:00:49,313 INFO L78 Accepts]: Start accepts. Automaton has 27192 states and 38059 transitions. Word has length 372 [2021-11-19 14:00:49,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:49,317 INFO L470 AbstractCegarLoop]: Abstraction has 27192 states and 38059 transitions. [2021-11-19 14:00:49,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2021-11-19 14:00:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 27192 states and 38059 transitions. [2021-11-19 14:00:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-19 14:00:49,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:49,398 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:49,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:49,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:00:49,619 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:49,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash -810105328, now seen corresponding path program 1 times [2021-11-19 14:00:49,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:49,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889285039] [2021-11-19 14:00:49,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:49,623 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:49,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:49,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:49,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:00:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:52,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 2230 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:00:52,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4911 trivial. 0 not checked. [2021-11-19 14:00:52,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4911 trivial. 0 not checked. [2021-11-19 14:00:53,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:53,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889285039] [2021-11-19 14:00:53,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889285039] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:00:53,420 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:00:53,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 14:00:53,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942165694] [2021-11-19 14:00:53,420 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:53,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:00:53,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:53,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:00:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:00:53,423 INFO L87 Difference]: Start difference. First operand 27192 states and 38059 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-19 14:00:55,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:01:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:01:08,909 INFO L93 Difference]: Finished difference Result 108580 states and 151947 transitions. [2021-11-19 14:01:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:01:08,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 397 [2021-11-19 14:01:08,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:01:09,539 INFO L225 Difference]: With dead ends: 108580 [2021-11-19 14:01:09,539 INFO L226 Difference]: Without dead ends: 81456 [2021-11-19 14:01:09,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 795 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:01:09,789 INFO L933 BasicCegarLoop]: 8075 mSDtfsCounter, 10653 mSDsluCounter, 22493 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 1667 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10653 SdHoareTripleChecker+Valid, 30568 SdHoareTripleChecker+Invalid, 3197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1667 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:01:09,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10653 Valid, 30568 Invalid, 3197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1667 Valid, 1529 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2021-11-19 14:01:09,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81456 states. [2021-11-19 14:01:13,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81456 to 54305. [2021-11-19 14:01:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54305 states, 38441 states have (on average 1.34439790848313) internal successors, (51680), 40151 states have internal predecessors, (51680), 11960 states have call successors, (11960), 3926 states have call predecessors, (11960), 3903 states have return successors, (12353), 11589 states have call predecessors, (12353), 11959 states have call successors, (12353) [2021-11-19 14:01:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54305 states to 54305 states and 75993 transitions. [2021-11-19 14:01:13,735 INFO L78 Accepts]: Start accepts. Automaton has 54305 states and 75993 transitions. Word has length 397 [2021-11-19 14:01:13,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:01:13,736 INFO L470 AbstractCegarLoop]: Abstraction has 54305 states and 75993 transitions. [2021-11-19 14:01:13,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-19 14:01:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 54305 states and 75993 transitions. [2021-11-19 14:01:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-19 14:01:14,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:01:14,091 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:01:14,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:01:14,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:01:14,307 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:01:14,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:01:14,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1707498606, now seen corresponding path program 1 times [2021-11-19 14:01:14,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:01:14,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095569112] [2021-11-19 14:01:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:01:14,310 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:01:14,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:01:14,311 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:01:14,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:01:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:01:16,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-19 14:01:16,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:01:21,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-19 14:01:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-11-19 14:01:21,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:01:22,874 INFO L354 Elim1Store]: treesize reduction 482, result has 12.8 percent of original size [2021-11-19 14:01:22,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2021-11-19 14:01:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-11-19 14:01:46,060 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:01:46,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095569112] [2021-11-19 14:01:46,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095569112] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:01:46,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1616639892] [2021-11-19 14:01:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:01:46,061 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:01:46,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:01:46,068 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:01:46,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-19 14:01:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:01:52,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-19 14:01:52,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:01:57,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-19 14:01:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-11-19 14:01:57,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:26,776 INFO L354 Elim1Store]: treesize reduction 456, result has 13.5 percent of original size [2021-11-19 14:02:26,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 80 treesize of output 96 [2021-11-19 14:02:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 198 proven. 295 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2021-11-19 14:02:27,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1616639892] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:02:27,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359932439] [2021-11-19 14:02:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:27,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:27,058 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:02:27,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643a89d3-118e-4c13-a2c8-7c73b7e6ffe2/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-19 14:02:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:28,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-19 14:02:28,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:32,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-19 14:02:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-11-19 14:02:32,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:33,977 INFO L354 Elim1Store]: treesize reduction 482, result has 12.8 percent of original size [2021-11-19 14:02:33,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2021-11-19 14:02:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-11-19 14:02:59,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359932439] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:02:59,282 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-19 14:02:59,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15, 15, 13, 12] total 34 [2021-11-19 14:02:59,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268699427] [2021-11-19 14:02:59,284 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-19 14:02:59,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-19 14:02:59,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:02:59,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-19 14:02:59,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=973, Unknown=4, NotChecked=0, Total=1122 [2021-11-19 14:02:59,288 INFO L87 Difference]: Start difference. First operand 54305 states and 75993 transitions. Second operand has 34 states, 34 states have (on average 10.911764705882353) internal successors, (371), 29 states have internal predecessors, (371), 16 states have call successors, (215), 12 states have call predecessors, (215), 14 states have return successors, (211), 17 states have call predecessors, (211), 14 states have call successors, (211) [2021-11-19 14:03:01,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:03,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:05,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:07,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:09,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:11,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:13,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:15,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:17,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:19,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:21,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:28,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:38,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:44,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:45,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:46,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:54,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:58,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:59,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:01,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:07,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:34,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:36,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:38,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:40,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:41,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:43,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:45,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:06:47,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:07:12,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:08:38,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:09,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:11,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:14,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:20,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:22,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:24,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:26,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:28,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:29,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:30,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:32,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:35,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:37,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:39,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:41,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:46,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:48,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:50,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:53,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:54,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:55,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:57,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:02,853 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:04,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:06,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:07,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:09,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:11,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:13,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:14,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:16,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:20,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:21,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:22,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:24,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:49,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:51,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:10:52,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:20,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:22,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:24,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:26,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:27,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:29,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:31,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:33,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:37,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:40,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:41,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:43,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:44,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:45,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:47,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:48,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:11:54,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:12:02,499 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:12:04,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:12:07,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:12:09,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []