./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-drivers--net--xen-netfront.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI --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 a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:07:57,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:07:57,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:07:57,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:07:57,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:07:57,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:07:57,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:07:57,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:07:57,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:07:57,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:07:57,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:07:57,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:07:57,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:07:57,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:07:57,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:07:57,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:07:57,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:07:57,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:07:57,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:07:57,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:07:57,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:07:57,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:07:57,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:07:57,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:07:57,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:07:57,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:07:57,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:07:57,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:07:57,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:07:57,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:07:57,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:07:57,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:07:57,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:07:57,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:07:57,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:07:57,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:07:57,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:07:57,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:07:57,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:07:57,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:07:57,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:07:57,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:07:57,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:07:57,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:07:57,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:07:57,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:07:57,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:07:57,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:07:57,620 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:07:57,621 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:07:57,621 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:07:57,621 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:07:57,622 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:07:57,623 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:07:57,623 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:07:57,623 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:07:57,623 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:07:57,624 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:07:57,624 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:07:57,624 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:07:57,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:07:57,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:07:57,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:07:57,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:07:57,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:07:57,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:07:57,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:07:57,627 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:07:57,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:07:57,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:07:57,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:07:57,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:07:57,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:07:57,630 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:07:57,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:07:57,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:07:57,630 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:07:57,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:07:57,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:07:57,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:07:57,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 [2022-11-03 04:07:57,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:07:57,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:07:57,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:07:58,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:07:58,014 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:07:58,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-11-03 04:07:58,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/data/e5b0fece1/e04c2acb59af441daf5b05c502243bb0/FLAGca670843b [2022-11-03 04:07:59,170 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:07:59,171 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-11-03 04:07:59,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/data/e5b0fece1/e04c2acb59af441daf5b05c502243bb0/FLAGca670843b [2022-11-03 04:07:59,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/data/e5b0fece1/e04c2acb59af441daf5b05c502243bb0 [2022-11-03 04:07:59,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:07:59,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:07:59,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:07:59,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:07:59,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:07:59,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:59" (1/1) ... [2022-11-03 04:07:59,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316485f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:59, skipping insertion in model container [2022-11-03 04:07:59,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:59" (1/1) ... [2022-11-03 04:07:59,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:07:59,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:08:00,528 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2022-11-03 04:08:00,529 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2022-11-03 04:08:01,139 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_8282847f-4a80-43ca-9b75-d56f7d88c0df/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2022-11-03 04:08:02,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:08:02,811 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:08:02,967 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2022-11-03 04:08:02,968 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2022-11-03 04:08:03,004 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_8282847f-4a80-43ca-9b75-d56f7d88c0df/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2022-11-03 04:08:03,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:08:03,605 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:08:03,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03 WrapperNode [2022-11-03 04:08:03,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:08:03,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:08:03,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:08:03,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:08:03,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:03,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,041 INFO L138 Inliner]: procedures = 350, calls = 2000, calls flagged for inlining = 171, calls inlined = 139, statements flattened = 4668 [2022-11-03 04:08:04,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:08:04,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:08:04,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:08:04,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:08:04,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:08:04,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:08:04,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:08:04,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:08:04,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (1/1) ... [2022-11-03 04:08:04,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:08:04,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:08:04,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:08:04,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:08:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:08:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-11-03 04:08:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-11-03 04:08:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:08:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-11-03 04:08:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-11-03 04:08:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:08:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:08:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-03 04:08:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-03 04:08:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 04:08:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 04:08:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2022-11-03 04:08:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2022-11-03 04:08:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 04:08:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 04:08:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-11-03 04:08:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-11-03 04:08:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 04:08:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 04:08:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 04:08:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 04:08:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:08:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:08:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 04:08:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 04:08:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 04:08:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 04:08:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-11-03 04:08:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-11-03 04:08:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-03 04:08:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-03 04:08:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2022-11-03 04:08:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2022-11-03 04:08:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 04:08:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 04:08:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 04:08:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 04:08:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 04:08:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 04:08:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-11-03 04:08:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-11-03 04:08:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 04:08:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 04:08:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:08:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:08:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-11-03 04:08:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-11-03 04:08:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 04:08:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 04:08:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2022-11-03 04:08:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2022-11-03 04:08:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-11-03 04:08:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-11-03 04:08:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-11-03 04:08:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-11-03 04:08:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2022-11-03 04:08:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2022-11-03 04:08:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 04:08:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 04:08:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-11-03 04:08:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-11-03 04:08:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 04:08:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 04:08:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-11-03 04:08:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-11-03 04:08:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:08:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-11-03 04:08:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-11-03 04:08:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-11-03 04:08:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-11-03 04:08:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-11-03 04:08:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-11-03 04:08:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-03 04:08:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-03 04:08:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2022-11-03 04:08:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2022-11-03 04:08:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:08:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 04:08:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 04:08:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 04:08:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 04:08:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 04:08:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 04:08:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-03 04:08:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-03 04:08:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-03 04:08:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-11-03 04:08:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-11-03 04:08:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 04:08:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 04:08:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:08:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-03 04:08:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-03 04:08:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:08:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2022-11-03 04:08:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2022-11-03 04:08:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-11-03 04:08:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-11-03 04:08:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 04:08:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 04:08:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-11-03 04:08:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-11-03 04:08:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-11-03 04:08:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-11-03 04:08:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-11-03 04:08:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-11-03 04:08:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 04:08:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 04:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 04:08:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 04:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 04:08:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 04:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-03 04:08:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-03 04:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-11-03 04:08:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-11-03 04:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 04:08:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 04:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-03 04:08:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-03 04:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-11-03 04:08:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-11-03 04:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 04:08:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 04:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 04:08:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 04:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 04:08:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 04:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-03 04:08:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-03 04:08:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-03 04:08:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-03 04:08:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2022-11-03 04:08:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2022-11-03 04:08:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2022-11-03 04:08:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2022-11-03 04:08:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-03 04:08:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-03 04:08:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:08:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 04:08:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 04:08:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 04:08:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 04:08:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-03 04:08:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-03 04:08:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:08:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:08:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2022-11-03 04:08:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2022-11-03 04:08:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-11-03 04:08:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-11-03 04:08:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2022-11-03 04:08:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2022-11-03 04:08:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 04:08:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 04:08:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 04:08:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 04:08:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-11-03 04:08:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-11-03 04:08:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:08:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:08:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-03 04:08:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-03 04:08:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-11-03 04:08:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-11-03 04:08:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:08:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-03 04:08:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-03 04:08:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 04:08:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 04:08:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:08:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:08:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2022-11-03 04:08:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2022-11-03 04:08:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 04:08:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 04:08:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2022-11-03 04:08:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2022-11-03 04:08:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:08:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 04:08:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 04:08:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:08:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 04:08:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 04:08:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 04:08:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 04:08:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:08:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-03 04:08:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-03 04:08:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 04:08:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 04:08:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 04:08:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 04:08:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 04:08:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 04:08:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-03 04:08:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-03 04:08:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 04:08:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 04:08:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 04:08:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 04:08:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 04:08:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 04:08:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-11-03 04:08:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-11-03 04:08:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 04:08:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 04:08:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2022-11-03 04:08:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2022-11-03 04:08:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 04:08:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 04:08:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 04:08:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 04:08:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:08:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 04:08:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 04:08:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-03 04:08:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-03 04:08:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-11-03 04:08:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-11-03 04:08:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-11-03 04:08:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-11-03 04:08:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:08:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:08:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-11-03 04:08:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-11-03 04:08:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 04:08:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 04:08:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 04:08:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 04:08:05,519 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:08:05,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:08:06,885 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:08:14,592 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:08:15,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:08:15,684 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:08:15,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:15 BoogieIcfgContainer [2022-11-03 04:08:15,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:08:15,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:08:15,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:08:15,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:08:15,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:07:59" (1/3) ... [2022-11-03 04:08:15,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb9d374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:15, skipping insertion in model container [2022-11-03 04:08:15,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:08:03" (2/3) ... [2022-11-03 04:08:15,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb9d374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:15, skipping insertion in model container [2022-11-03 04:08:15,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:15" (3/3) ... [2022-11-03 04:08:15,714 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-11-03 04:08:15,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:08:15,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:08:15,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:08:15,883 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7aa37a18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:08:15,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:08:15,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 1232 states, 756 states have (on average 1.3267195767195767) internal successors, (1003), 786 states have internal predecessors, (1003), 367 states have call successors, (367), 108 states have call predecessors, (367), 107 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2022-11-03 04:08:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-03 04:08:15,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:15,954 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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] [2022-11-03 04:08:15,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:15,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash 598997215, now seen corresponding path program 1 times [2022-11-03 04:08:15,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:15,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325793449] [2022-11-03 04:08:15,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:15,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-03 04:08:16,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:16,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325793449] [2022-11-03 04:08:16,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325793449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:16,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:16,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:16,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216642611] [2022-11-03 04:08:16,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:16,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:16,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:17,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:17,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:17,037 INFO L87 Difference]: Start difference. First operand has 1232 states, 756 states have (on average 1.3267195767195767) internal successors, (1003), 786 states have internal predecessors, (1003), 367 states have call successors, (367), 108 states have call predecessors, (367), 107 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:08:19,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:24,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:25,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:25,372 INFO L93 Difference]: Finished difference Result 3027 states and 4245 transitions. [2022-11-03 04:08:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:25,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2022-11-03 04:08:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:25,406 INFO L225 Difference]: With dead ends: 3027 [2022-11-03 04:08:25,406 INFO L226 Difference]: Without dead ends: 1787 [2022-11-03 04:08:25,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:25,429 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 826 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:25,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 3151 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-03 04:08:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2022-11-03 04:08:25,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1784. [2022-11-03 04:08:25,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1097 states have (on average 1.3117593436645396) internal successors, (1439), 1131 states have internal predecessors, (1439), 514 states have call successors, (514), 173 states have call predecessors, (514), 172 states have return successors, (514), 511 states have call predecessors, (514), 513 states have call successors, (514) [2022-11-03 04:08:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2467 transitions. [2022-11-03 04:08:25,676 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2467 transitions. Word has length 126 [2022-11-03 04:08:25,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:25,677 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2467 transitions. [2022-11-03 04:08:25,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 04:08:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2467 transitions. [2022-11-03 04:08:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-03 04:08:25,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:25,705 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 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] [2022-11-03 04:08:25,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:08:25,706 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:25,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:25,707 INFO L85 PathProgramCache]: Analyzing trace with hash -95981707, now seen corresponding path program 1 times [2022-11-03 04:08:25,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:25,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40957678] [2022-11-03 04:08:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-03 04:08:26,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:26,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40957678] [2022-11-03 04:08:26,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40957678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:26,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:26,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659809862] [2022-11-03 04:08:26,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:26,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:26,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:26,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:26,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:26,314 INFO L87 Difference]: Start difference. First operand 1784 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 04:08:29,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:29,795 INFO L93 Difference]: Finished difference Result 4373 states and 6013 transitions. [2022-11-03 04:08:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:29,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2022-11-03 04:08:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:29,815 INFO L225 Difference]: With dead ends: 4373 [2022-11-03 04:08:29,816 INFO L226 Difference]: Without dead ends: 2625 [2022-11-03 04:08:29,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:29,908 INFO L413 NwaCegarLoop]: 1793 mSDtfsCounter, 1080 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 3131 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:29,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 3131 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 04:08:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2022-11-03 04:08:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2618. [2022-11-03 04:08:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2618 states, 1622 states have (on average 1.313810110974106) internal successors, (2131), 1674 states have internal predecessors, (2131), 729 states have call successors, (729), 268 states have call predecessors, (729), 266 states have return successors, (729), 719 states have call predecessors, (729), 728 states have call successors, (729) [2022-11-03 04:08:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 3589 transitions. [2022-11-03 04:08:30,072 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 3589 transitions. Word has length 140 [2022-11-03 04:08:30,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:30,073 INFO L495 AbstractCegarLoop]: Abstraction has 2618 states and 3589 transitions. [2022-11-03 04:08:30,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 04:08:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 3589 transitions. [2022-11-03 04:08:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-03 04:08:30,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:30,078 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 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] [2022-11-03 04:08:30,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:08:30,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash 88735535, now seen corresponding path program 1 times [2022-11-03 04:08:30,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:30,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794073222] [2022-11-03 04:08:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:30,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-03 04:08:30,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:30,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794073222] [2022-11-03 04:08:30,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794073222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:30,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:30,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:30,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280442688] [2022-11-03 04:08:30,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:30,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:30,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:30,504 INFO L87 Difference]: Start difference. First operand 2618 states and 3589 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 04:08:35,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:37,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:38,403 INFO L93 Difference]: Finished difference Result 6794 states and 9299 transitions. [2022-11-03 04:08:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:38,405 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), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 149 [2022-11-03 04:08:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:38,435 INFO L225 Difference]: With dead ends: 6794 [2022-11-03 04:08:38,435 INFO L226 Difference]: Without dead ends: 4220 [2022-11-03 04:08:38,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:38,449 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 1362 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 3562 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:38,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 3562 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 558 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-03 04:08:38,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4220 states. [2022-11-03 04:08:38,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4220 to 4203. [2022-11-03 04:08:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4203 states, 2616 states have (on average 1.3138379204892967) internal successors, (3437), 2697 states have internal predecessors, (3437), 1148 states have call successors, (1148), 440 states have call predecessors, (1148), 438 states have return successors, (1148), 1138 states have call predecessors, (1148), 1147 states have call successors, (1148) [2022-11-03 04:08:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 4203 states and 5733 transitions. [2022-11-03 04:08:38,851 INFO L78 Accepts]: Start accepts. Automaton has 4203 states and 5733 transitions. Word has length 149 [2022-11-03 04:08:38,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:38,855 INFO L495 AbstractCegarLoop]: Abstraction has 4203 states and 5733 transitions. [2022-11-03 04:08:38,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 04:08:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 4203 states and 5733 transitions. [2022-11-03 04:08:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-03 04:08:38,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:38,860 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 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] [2022-11-03 04:08:38,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:08:38,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:38,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:38,862 INFO L85 PathProgramCache]: Analyzing trace with hash 445445069, now seen corresponding path program 1 times [2022-11-03 04:08:38,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:38,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551438357] [2022-11-03 04:08:38,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:38,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-03 04:08:39,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:39,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551438357] [2022-11-03 04:08:39,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551438357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:39,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:39,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:39,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698666689] [2022-11-03 04:08:39,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:39,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:39,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:39,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:39,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:39,928 INFO L87 Difference]: Start difference. First operand 4203 states and 5733 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 04:08:45,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:46,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:46,700 INFO L93 Difference]: Finished difference Result 7568 states and 10372 transitions. [2022-11-03 04:08:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:46,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 148 [2022-11-03 04:08:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:46,751 INFO L225 Difference]: With dead ends: 7568 [2022-11-03 04:08:46,751 INFO L226 Difference]: Without dead ends: 7565 [2022-11-03 04:08:46,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:46,758 INFO L413 NwaCegarLoop]: 1834 mSDtfsCounter, 1328 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 3212 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:46,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 3212 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 04:08:46,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7565 states. [2022-11-03 04:08:47,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7565 to 7506. [2022-11-03 04:08:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7506 states, 4742 states have (on average 1.327498945592577) internal successors, (6295), 4892 states have internal predecessors, (6295), 1971 states have call successors, (1971), 795 states have call predecessors, (1971), 792 states have return successors, (2008), 1943 states have call predecessors, (2008), 1970 states have call successors, (2008) [2022-11-03 04:08:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7506 states to 7506 states and 10274 transitions. [2022-11-03 04:08:47,298 INFO L78 Accepts]: Start accepts. Automaton has 7506 states and 10274 transitions. Word has length 148 [2022-11-03 04:08:47,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:47,300 INFO L495 AbstractCegarLoop]: Abstraction has 7506 states and 10274 transitions. [2022-11-03 04:08:47,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 04:08:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 7506 states and 10274 transitions. [2022-11-03 04:08:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-03 04:08:47,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:47,318 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 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] [2022-11-03 04:08:47,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:08:47,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:47,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:47,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1866117801, now seen corresponding path program 1 times [2022-11-03 04:08:47,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:47,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419135499] [2022-11-03 04:08:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:47,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-03 04:08:48,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419135499] [2022-11-03 04:08:48,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419135499] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:08:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932852720] [2022-11-03 04:08:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:48,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:08:48,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:08:48,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:08:48,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:08:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:49,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 2810 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 04:08:49,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:08:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-03 04:08:49,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:08:49,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932852720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:49,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:08:49,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-03 04:08:49,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830918229] [2022-11-03 04:08:49,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:49,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:49,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:49,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:49,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:49,823 INFO L87 Difference]: Start difference. First operand 7506 states and 10274 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 04:08:55,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:08:55,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:08:55,956 INFO L93 Difference]: Finished difference Result 18444 states and 25239 transitions. [2022-11-03 04:08:55,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:08:55,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 211 [2022-11-03 04:08:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:08:56,034 INFO L225 Difference]: With dead ends: 18444 [2022-11-03 04:08:56,035 INFO L226 Difference]: Without dead ends: 10982 [2022-11-03 04:08:56,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:08:56,070 INFO L413 NwaCegarLoop]: 1732 mSDtfsCounter, 1208 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 3036 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:08:56,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 3036 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 552 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 04:08:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10982 states. [2022-11-03 04:08:56,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10982 to 10947. [2022-11-03 04:08:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10947 states, 6994 states have (on average 1.3267086073777523) internal successors, (9279), 7208 states have internal predecessors, (9279), 2766 states have call successors, (2766), 1189 states have call predecessors, (2766), 1186 states have return successors, (2821), 2722 states have call predecessors, (2821), 2765 states have call successors, (2821) [2022-11-03 04:08:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10947 states to 10947 states and 14866 transitions. [2022-11-03 04:08:56,702 INFO L78 Accepts]: Start accepts. Automaton has 10947 states and 14866 transitions. Word has length 211 [2022-11-03 04:08:56,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:08:56,703 INFO L495 AbstractCegarLoop]: Abstraction has 10947 states and 14866 transitions. [2022-11-03 04:08:56,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 04:08:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 10947 states and 14866 transitions. [2022-11-03 04:08:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-03 04:08:56,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:08:56,727 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 04:08:56,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:08:56,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:08:56,943 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:08:56,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:08:56,943 INFO L85 PathProgramCache]: Analyzing trace with hash 153755491, now seen corresponding path program 1 times [2022-11-03 04:08:56,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:08:56,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751554603] [2022-11-03 04:08:56,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:08:56,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:08:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:08:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-11-03 04:08:57,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:08:57,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751554603] [2022-11-03 04:08:57,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751554603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:08:57,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:08:57,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:08:57,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062603259] [2022-11-03 04:08:57,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:08:57,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:08:57,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:08:57,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:08:57,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:08:57,653 INFO L87 Difference]: Start difference. First operand 10947 states and 14866 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 04:09:03,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:09:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:09:04,121 INFO L93 Difference]: Finished difference Result 21856 states and 29685 transitions. [2022-11-03 04:09:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:09:04,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 227 [2022-11-03 04:09:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:09:04,189 INFO L225 Difference]: With dead ends: 21856 [2022-11-03 04:09:04,189 INFO L226 Difference]: Without dead ends: 10953 [2022-11-03 04:09:04,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:09:04,229 INFO L413 NwaCegarLoop]: 1469 mSDtfsCounter, 2 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:09:04,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2933 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 448 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-03 04:09:04,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10953 states. [2022-11-03 04:09:04,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10953 to 10949. [2022-11-03 04:09:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10949 states, 6996 states have (on average 1.3266152086906804) internal successors, (9281), 7210 states have internal predecessors, (9281), 2766 states have call successors, (2766), 1189 states have call predecessors, (2766), 1186 states have return successors, (2821), 2722 states have call predecessors, (2821), 2765 states have call successors, (2821) [2022-11-03 04:09:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10949 states to 10949 states and 14868 transitions. [2022-11-03 04:09:04,855 INFO L78 Accepts]: Start accepts. Automaton has 10949 states and 14868 transitions. Word has length 227 [2022-11-03 04:09:04,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:09:04,855 INFO L495 AbstractCegarLoop]: Abstraction has 10949 states and 14868 transitions. [2022-11-03 04:09:04,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 04:09:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 10949 states and 14868 transitions. [2022-11-03 04:09:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-03 04:09:04,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:09:04,879 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 04:09:04,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:09:04,880 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:09:04,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:09:04,882 INFO L85 PathProgramCache]: Analyzing trace with hash -394911876, now seen corresponding path program 1 times [2022-11-03 04:09:04,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:09:04,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334958810] [2022-11-03 04:09:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:04,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:09:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-11-03 04:09:05,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:09:05,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334958810] [2022-11-03 04:09:05,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334958810] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:09:05,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989293095] [2022-11-03 04:09:05,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:09:05,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:09:05,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:09:05,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:09:05,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8282847f-4a80-43ca-9b75-d56f7d88c0df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:09:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:09:06,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 04:09:06,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:09:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2022-11-03 04:09:07,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:09:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-11-03 04:09:07,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989293095] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:09:07,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1588204538] [2022-11-03 04:09:07,270 INFO L159 IcfgInterpreter]: Started Sifa with 149 locations of interest [2022-11-03 04:09:07,271 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:09:07,277 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:09:07,284 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:09:07,285 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:09:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:10,705 INFO L244 Elim1Store]: Index analysis took 311 ms [2022-11-03 04:09:11,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 119 select indices, 119 select index equivalence classes, 2933 disjoint index pairs (out of 7021 index pairs), introduced 119 new quantified variables, introduced 0 case distinctions, treesize of input 1103 treesize of output 1457 [2022-11-03 04:09:11,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:11,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 1527 treesize of output 1334 [2022-11-03 04:09:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:13,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:09:14,087 INFO L244 Elim1Store]: Index analysis took 1323 ms [2022-11-03 04:10:03,888 WARN L234 SmtUtils]: Spent 49.76s on a formula simplification. DAG size of input: 2006 DAG size of output: 993 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 04:10:03,896 INFO L356 Elim1Store]: treesize reduction 4908, result has 27.3 percent of original size [2022-11-03 04:10:03,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 125 select indices, 125 select index equivalence classes, 7756 disjoint index pairs (out of 7750 index pairs), introduced 125 new quantified variables, introduced 126 case distinctions, treesize of input 638 treesize of output 2228 [2022-11-03 04:10:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:10,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:10,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:10:12,966 INFO L244 Elim1Store]: Index analysis took 6849 ms [2022-11-03 04:11:44,507 WARN L234 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 2634 DAG size of output: 1250 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 04:11:44,512 INFO L356 Elim1Store]: treesize reduction 7632, result has 21.7 percent of original size [2022-11-03 04:11:44,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 129 select indices, 129 select index equivalence classes, 7881 disjoint index pairs (out of 8256 index pairs), introduced 129 new quantified variables, introduced 503 case distinctions, treesize of input 670 treesize of output 2533 [2022-11-03 04:11:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:11:48,622 INFO L244 Elim1Store]: Index analysis took 341 ms [2022-11-03 04:11:49,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 119 select indices, 119 select index equivalence classes, 2933 disjoint index pairs (out of 7021 index pairs), introduced 119 new quantified variables, introduced 0 case distinctions, treesize of input 1103 treesize of output 1457 [2022-11-03 04:12:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:08,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 128 select indices, 128 select index equivalence classes, 8131 disjoint index pairs (out of 8128 index pairs), introduced 128 new quantified variables, introduced 0 case distinctions, treesize of input 641 treesize of output 385 [2022-11-03 04:12:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 129 select indices, 129 select index equivalence classes, 8256 disjoint index pairs (out of 8256 index pairs), introduced 129 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 388 [2022-11-03 04:12:09,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:09,751 INFO L244 Elim1Store]: Index analysis took 139 ms [2022-11-03 04:12:09,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 861 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 1535 treesize of output 1139 [2022-11-03 04:12:10,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:10,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 528 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 100 [2022-11-03 04:12:10,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 435 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 91 [2022-11-03 04:12:10,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 04:12:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:24,625 INFO L244 Elim1Store]: Index analysis took 154 ms [2022-11-03 04:12:24,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 42 select indices, 42 select index equivalence classes, 861 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 1535 treesize of output 1139 [2022-11-03 04:12:25,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 435 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 91 [2022-11-03 04:12:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:25,426 INFO L244 Elim1Store]: Index analysis took 102 ms [2022-11-03 04:12:25,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 528 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 100 [2022-11-03 04:12:25,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 04:12:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:26,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 129 select indices, 129 select index equivalence classes, 8256 disjoint index pairs (out of 8256 index pairs), introduced 129 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 388 [2022-11-03 04:12:27,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:27,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 128 select indices, 128 select index equivalence classes, 8131 disjoint index pairs (out of 8128 index pairs), introduced 128 new quantified variables, introduced 0 case distinctions, treesize of input 641 treesize of output 385 [2022-11-03 04:14:42,752 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 176 for LOIs [2022-11-03 04:14:42,876 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1292 for LOIs [2022-11-03 04:14:43,980 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:19:45,007 WARN L234 SmtUtils]: Spent 5.01m on a formula simplification. DAG size of input: 2826 DAG size of output: 2096 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)