./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.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_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/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_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/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_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/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 a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a --- 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 01:50:36,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:50:36,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:50:36,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:50:36,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:50:36,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:50:36,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:50:36,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:50:36,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:50:36,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:50:36,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:50:36,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:50:36,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:50:36,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:50:36,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:50:36,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:50:36,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:50:36,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:50:36,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:50:36,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:50:36,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:50:36,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:50:36,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:50:36,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:50:36,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:50:36,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:50:36,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:50:36,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:50:36,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:50:36,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:50:36,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:50:36,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:50:36,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:50:36,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:50:36,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:50:36,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:50:36,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:50:36,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:50:36,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:50:36,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:50:36,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:50:36,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:50:36,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:50:36,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:50:36,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:50:36,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:50:36,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:50:36,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:50:36,651 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:50:36,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:50:36,652 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:50:36,652 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:50:36,652 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:50:36,653 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:50:36,653 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:50:36,653 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:50:36,653 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:50:36,654 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:50:36,654 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:50:36,654 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:50:36,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:50:36,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:50:36,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:50:36,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:50:36,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:50:36,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:50:36,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:50:36,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:50:36,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:50:36,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:50:36,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:50:36,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:36,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:50:36,658 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:50:36,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:50:36,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:50:36,659 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:50:36,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:50:36,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:50:36,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:50:36,660 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_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a [2022-11-03 01:50:36,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:50:36,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:50:36,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:50:36,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:50:36,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:50:36,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 01:50:36,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/data/7589f5fc9/24385068dc7f4c2d992636d76b92a6db/FLAGd5fafeea8 [2022-11-03 01:50:38,034 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:50:38,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 01:50:38,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/data/7589f5fc9/24385068dc7f4c2d992636d76b92a6db/FLAGd5fafeea8 [2022-11-03 01:50:38,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/data/7589f5fc9/24385068dc7f4c2d992636d76b92a6db [2022-11-03 01:50:38,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:50:38,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:50:38,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:38,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:50:38,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:50:38,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:38" (1/1) ... [2022-11-03 01:50:38,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccf6907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:38, skipping insertion in model container [2022-11-03 01:50:38,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:38" (1/1) ... [2022-11-03 01:50:38,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:50:38,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:50:44,782 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_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2022-11-03 01:50:44,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:44,968 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:50:45,700 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_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2022-11-03 01:50:45,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:46,155 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:50:46,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46 WrapperNode [2022-11-03 01:50:46,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:46,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:46,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:50:46,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:50:46,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:46,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:46,813 INFO L138 Inliner]: procedures = 678, calls = 7466, calls flagged for inlining = 299, calls inlined = 290, statements flattened = 15393 [2022-11-03 01:50:46,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:46,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:50:46,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:50:46,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:50:46,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:46,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:46,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:46,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:47,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:47,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:47,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:47,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:47,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:50:47,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:50:47,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:50:47,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:50:47,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (1/1) ... [2022-11-03 01:50:47,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:47,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:50:47,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:50:47,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c5b360c-7bc9-4512-b6cb-bfe333e8b11f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:50:47,948 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:50:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:50:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:50:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:50:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 01:50:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:50:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:50:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:50:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:50:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-03 01:50:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-03 01:50:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:50:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:50:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 01:50:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 01:50:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 01:50:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 01:50:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-03 01:50:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-03 01:50:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:50:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:50:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-03 01:50:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-03 01:50:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-03 01:50:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-03 01:50:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-03 01:50:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-03 01:50:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 01:50:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 01:50:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:50:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:50:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:50:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:50:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2022-11-03 01:50:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2022-11-03 01:50:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-03 01:50:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-03 01:50:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 01:50:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 01:50:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-03 01:50:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-03 01:50:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:50:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:50:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 01:50:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 01:50:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:50:47,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:50:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:50:47,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:50:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:50:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:50:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-03 01:50:47,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-03 01:50:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-03 01:50:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-03 01:50:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:50:47,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:50:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-03 01:50:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-03 01:50:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-03 01:50:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-03 01:50:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-03 01:50:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-03 01:50:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-03 01:50:47,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-03 01:50:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-03 01:50:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-03 01:50:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 01:50:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 01:50:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:50:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:50:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-03 01:50:47,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-03 01:50:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:50:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:50:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:50:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:50:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-03 01:50:47,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-03 01:50:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:50:47,983 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:50:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-03 01:50:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-03 01:50:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:50:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:50:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:50:47,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:50:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:50:47,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:50:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:50:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:50:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:50:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-03 01:50:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-03 01:50:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-03 01:50:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-03 01:50:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-03 01:50:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-03 01:50:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-03 01:50:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-03 01:50:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-03 01:50:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-03 01:50:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-03 01:50:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-03 01:50:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:50:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:50:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-03 01:50:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-03 01:50:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-03 01:50:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-03 01:50:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-03 01:50:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-03 01:50:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:50:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:50:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-03 01:50:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-03 01:50:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:50:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:50:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-03 01:50:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-03 01:50:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 01:50:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 01:50:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:50:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-03 01:50:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-03 01:50:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:50:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:50:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:50:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:50:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:50:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:50:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-03 01:50:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-03 01:50:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2022-11-03 01:50:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2022-11-03 01:50:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-03 01:50:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-03 01:50:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-03 01:50:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-03 01:50:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:50:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-03 01:50:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-03 01:50:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-03 01:50:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-03 01:50:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:50:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:50:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:50:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 01:50:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 01:50:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-03 01:50:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-03 01:50:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-03 01:50:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-03 01:50:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:50:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:50:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:50:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:50:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-03 01:50:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-03 01:50:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 01:50:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 01:50:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:50:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:50:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-03 01:50:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-03 01:50:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 01:50:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 01:50:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 01:50:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 01:50:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-03 01:50:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-03 01:50:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-03 01:50:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-03 01:50:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:50:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:50:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:50:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:50:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:50:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:50:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-03 01:50:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-03 01:50:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2022-11-03 01:50:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2022-11-03 01:50:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 01:50:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 01:50:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-03 01:50:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-03 01:50:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:50:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-03 01:50:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-03 01:50:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 01:50:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-03 01:50:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-03 01:50:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-03 01:50:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-03 01:50:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:50:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:50:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:50:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-03 01:50:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-03 01:50:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:50:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:50:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:50:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:50:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-03 01:50:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-03 01:50:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:50:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:50:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-03 01:50:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-03 01:50:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:50:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:50:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-03 01:50:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-03 01:50:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-03 01:50:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-03 01:50:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:50:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:50:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-03 01:50:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-03 01:50:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:50:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:50:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-03 01:50:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-03 01:50:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-03 01:50:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-03 01:50:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:50:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:50:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-03 01:50:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-03 01:50:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:50:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:50:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-03 01:50:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-03 01:50:48,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:50:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:50:48,023 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:50:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:50:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-03 01:50:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-03 01:50:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-03 01:50:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-03 01:50:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 01:50:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 01:50:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-03 01:50:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-03 01:50:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:50:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:50:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:50:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:50:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2022-11-03 01:50:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2022-11-03 01:50:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-03 01:50:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-03 01:50:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:50:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:50:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-03 01:50:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-03 01:50:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:50:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:50:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-03 01:50:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-03 01:50:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-03 01:50:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-03 01:50:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:50:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:50:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-03 01:50:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-03 01:50:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:50:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:50:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:50:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:50:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 01:50:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 01:50:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:50:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:50:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:50:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:50:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-03 01:50:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-03 01:50:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 01:50:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 01:50:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:50:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:50:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:50:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:50:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-03 01:50:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-03 01:50:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2022-11-03 01:50:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2022-11-03 01:50:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:50:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-03 01:50:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-03 01:50:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 01:50:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 01:50:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:50:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:50:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-03 01:50:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-03 01:50:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-03 01:50:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-03 01:50:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-03 01:50:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-03 01:50:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 01:50:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 01:50:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-03 01:50:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-03 01:50:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:50:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:50:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:50:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:50:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 01:50:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 01:50:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:50:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:50:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:50:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:50:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-03 01:50:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-03 01:50:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:50:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:50:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:50:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:50:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-03 01:50:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-03 01:50:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 01:50:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 01:50:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:50:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:50:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-03 01:50:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-03 01:50:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:50:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:50:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-03 01:50:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-03 01:50:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-03 01:50:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-03 01:50:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:50:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:50:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-03 01:50:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-03 01:50:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:50:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:50:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-03 01:50:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-03 01:50:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:50:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:50:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:50:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-03 01:50:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-03 01:50:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:50:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:50:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-03 01:50:48,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-03 01:50:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:50:48,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:50:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-03 01:50:48,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-03 01:50:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-03 01:50:48,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-03 01:50:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-11-03 01:50:48,049 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-11-03 01:50:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:50:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 01:50:48,049 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 01:50:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-03 01:50:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-03 01:50:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-03 01:50:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-03 01:50:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 01:50:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 01:50:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 01:50:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 01:50:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:50:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:50:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:50:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-03 01:50:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-03 01:50:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-03 01:50:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-03 01:50:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-03 01:50:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-03 01:50:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:50:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:50:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-03 01:50:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-03 01:50:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:50:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:50:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:50:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:50:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:50:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:50:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-03 01:50:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-03 01:50:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-03 01:50:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-03 01:50:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 01:50:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 01:50:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-03 01:50:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-03 01:50:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-03 01:50:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-03 01:50:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 01:50:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 01:50:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:50:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:50:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:50:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:50:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-03 01:50:48,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-03 01:50:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:50:48,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:50:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-03 01:50:48,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-03 01:50:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:50:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:50:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:50:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:50:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:50:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:50:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-03 01:50:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-03 01:50:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:50:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:50:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-03 01:50:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-03 01:50:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-03 01:50:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-03 01:50:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:50:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 01:50:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 01:50:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 01:50:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 01:50:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:50:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:50:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-03 01:50:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-03 01:50:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-03 01:50:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-03 01:50:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-03 01:50:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-03 01:50:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 01:50:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 01:50:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:50:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:50:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-03 01:50:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-03 01:50:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-03 01:50:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-03 01:50:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:50:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:50:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-03 01:50:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-03 01:50:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-03 01:50:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-03 01:50:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:50:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:50:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:50:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:50:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-03 01:50:48,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-03 01:50:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 01:50:48,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 01:50:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-03 01:50:48,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-03 01:50:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-03 01:50:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-03 01:50:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:50:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:50:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:50:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:50:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2022-11-03 01:50:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2022-11-03 01:50:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-03 01:50:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-03 01:50:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-03 01:50:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-03 01:50:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-11-03 01:50:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-11-03 01:50:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-03 01:50:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-03 01:50:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-03 01:50:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-03 01:50:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-03 01:50:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-03 01:50:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:50:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:50:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-03 01:50:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-03 01:50:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:50:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:50:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-03 01:50:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-03 01:50:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-03 01:50:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-03 01:50:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-03 01:50:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-03 01:50:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-03 01:50:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-03 01:50:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:50:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:50:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:50:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:50:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2022-11-03 01:50:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2022-11-03 01:50:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:50:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-03 01:50:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-03 01:50:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-03 01:50:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-03 01:50:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-03 01:50:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-03 01:50:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 01:50:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 01:50:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-03 01:50:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-03 01:50:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-03 01:50:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-03 01:50:49,812 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:50:49,818 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:50:49,946 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:51:19,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:51:25,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:51:25,467 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:51:25,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:25 BoogieIcfgContainer [2022-11-03 01:51:25,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:51:25,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:51:25,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:51:25,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:51:25,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:50:38" (1/3) ... [2022-11-03 01:51:25,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7987bc2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:25, skipping insertion in model container [2022-11-03 01:51:25,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:46" (2/3) ... [2022-11-03 01:51:25,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7987bc2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:25, skipping insertion in model container [2022-11-03 01:51:25,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:25" (3/3) ... [2022-11-03 01:51:25,484 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 01:51:25,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:51:25,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:51:25,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:51:25,661 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;@12042705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:51:25,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:51:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 4001 states, 2459 states have (on average 1.3452623017486782) internal successors, (3308), 2546 states have internal predecessors, (3308), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) [2022-11-03 01:51:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-03 01:51:25,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:25,744 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:51:25,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:25,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1904800613, now seen corresponding path program 1 times [2022-11-03 01:51:25,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:25,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082214319] [2022-11-03 01:51:25,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:25,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-03 01:51:27,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:27,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082214319] [2022-11-03 01:51:27,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082214319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:27,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:27,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:51:27,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343256975] [2022-11-03 01:51:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:27,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:51:27,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:27,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:51:27,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:27,578 INFO L87 Difference]: Start difference. First operand has 4001 states, 2459 states have (on average 1.3452623017486782) internal successors, (3308), 2546 states have internal predecessors, (3308), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 01:51:30,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:34,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:51:38,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:40,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:44,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:48,754 INFO L93 Difference]: Finished difference Result 11669 states and 17204 transitions. [2022-11-03 01:51:48,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:51:48,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2022-11-03 01:51:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:48,837 INFO L225 Difference]: With dead ends: 11669 [2022-11-03 01:51:48,837 INFO L226 Difference]: Without dead ends: 7640 [2022-11-03 01:51:48,869 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 01:51:48,871 INFO L413 NwaCegarLoop]: 7182 mSDtfsCounter, 5442 mSDsluCounter, 5712 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 8 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5447 SdHoareTripleChecker+Valid, 12244 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:48,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5447 Valid, 12244 Invalid, 1583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1571 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2022-11-03 01:51:48,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7640 states. [2022-11-03 01:51:49,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7640 to 7631. [2022-11-03 01:51:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7631 states, 4691 states have (on average 1.334043913877638) internal successors, (6258), 4835 states have internal predecessors, (6258), 2454 states have call successors, (2454), 487 states have call predecessors, (2454), 485 states have return successors, (2457), 2416 states have call predecessors, (2457), 2452 states have call successors, (2457) [2022-11-03 01:51:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7631 states to 7631 states and 11169 transitions. [2022-11-03 01:51:49,411 INFO L78 Accepts]: Start accepts. Automaton has 7631 states and 11169 transitions. Word has length 184 [2022-11-03 01:51:49,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:49,412 INFO L495 AbstractCegarLoop]: Abstraction has 7631 states and 11169 transitions. [2022-11-03 01:51:49,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 01:51:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 7631 states and 11169 transitions. [2022-11-03 01:51:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-03 01:51:49,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:49,424 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:51:49,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:51:49,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:49,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:49,425 INFO L85 PathProgramCache]: Analyzing trace with hash -694694640, now seen corresponding path program 1 times [2022-11-03 01:51:49,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:49,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914856056] [2022-11-03 01:51:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 01:51:50,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:50,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914856056] [2022-11-03 01:51:50,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914856056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:50,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:50,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:51:50,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447181458] [2022-11-03 01:51:50,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:50,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:51:50,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:50,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:51:50,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:50,563 INFO L87 Difference]: Start difference. First operand 7631 states and 11169 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 01:51:52,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:55,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:58,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:52:02,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:04,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:12,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:12,998 INFO L93 Difference]: Finished difference Result 22579 states and 33028 transitions. [2022-11-03 01:52:12,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:12,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 206 [2022-11-03 01:52:13,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:13,134 INFO L225 Difference]: With dead ends: 22579 [2022-11-03 01:52:13,135 INFO L226 Difference]: Without dead ends: 14973 [2022-11-03 01:52:13,285 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 01:52:13,286 INFO L413 NwaCegarLoop]: 6670 mSDtfsCounter, 5547 mSDsluCounter, 5784 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 11800 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:13,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5552 Valid, 11800 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1404 Invalid, 4 Unknown, 0 Unchecked, 21.5s Time] [2022-11-03 01:52:13,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14973 states. [2022-11-03 01:52:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14973 to 14965. [2022-11-03 01:52:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14965 states, 9205 states have (on average 1.3341662140141228) internal successors, (12281), 9492 states have internal predecessors, (12281), 4797 states have call successors, (4797), 965 states have call predecessors, (4797), 962 states have return successors, (4809), 4719 states have call predecessors, (4809), 4795 states have call successors, (4809) [2022-11-03 01:52:14,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14965 states to 14965 states and 21887 transitions. [2022-11-03 01:52:14,126 INFO L78 Accepts]: Start accepts. Automaton has 14965 states and 21887 transitions. Word has length 206 [2022-11-03 01:52:14,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:14,126 INFO L495 AbstractCegarLoop]: Abstraction has 14965 states and 21887 transitions. [2022-11-03 01:52:14,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 01:52:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 14965 states and 21887 transitions. [2022-11-03 01:52:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-03 01:52:14,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:14,140 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:14,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:52:14,142 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:14,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:14,152 INFO L85 PathProgramCache]: Analyzing trace with hash 553157933, now seen corresponding path program 1 times [2022-11-03 01:52:14,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:14,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319353356] [2022-11-03 01:52:14,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:14,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-11-03 01:52:15,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:15,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319353356] [2022-11-03 01:52:15,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319353356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:15,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:15,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:52:15,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667721874] [2022-11-03 01:52:15,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:15,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:15,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:15,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:15,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:15,050 INFO L87 Difference]: Start difference. First operand 14965 states and 21887 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-03 01:52:17,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:20,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:23,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:52:28,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:29,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:31,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:34,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:39,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:39,232 INFO L93 Difference]: Finished difference Result 43559 states and 63698 transitions. [2022-11-03 01:52:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:39,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 223 [2022-11-03 01:52:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:39,400 INFO L225 Difference]: With dead ends: 43559 [2022-11-03 01:52:39,401 INFO L226 Difference]: Without dead ends: 28619 [2022-11-03 01:52:39,468 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 01:52:39,469 INFO L413 NwaCegarLoop]: 7833 mSDtfsCounter, 5254 mSDsluCounter, 5767 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5258 SdHoareTripleChecker+Valid, 12952 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:39,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5258 Valid, 12952 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1599 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2022-11-03 01:52:39,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28619 states. [2022-11-03 01:52:40,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28619 to 28615. [2022-11-03 01:52:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28615 states, 17639 states have (on average 1.3349396224275754) internal successors, (23547), 18172 states have internal predecessors, (23547), 9135 states have call successors, (9135), 1843 states have call predecessors, (9135), 1840 states have return successors, (9159), 8999 states have call predecessors, (9159), 9133 states have call successors, (9159) [2022-11-03 01:52:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28615 states to 28615 states and 41841 transitions. [2022-11-03 01:52:41,142 INFO L78 Accepts]: Start accepts. Automaton has 28615 states and 41841 transitions. Word has length 223 [2022-11-03 01:52:41,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:41,143 INFO L495 AbstractCegarLoop]: Abstraction has 28615 states and 41841 transitions. [2022-11-03 01:52:41,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-03 01:52:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 28615 states and 41841 transitions. [2022-11-03 01:52:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-03 01:52:41,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:41,171 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-03 01:52:41,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:52:41,171 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:41,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:41,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1541065427, now seen corresponding path program 1 times [2022-11-03 01:52:41,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:41,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202241308] [2022-11-03 01:52:41,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:41,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-03 01:52:42,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:42,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202241308] [2022-11-03 01:52:42,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202241308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:42,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:42,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:52:42,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743783112] [2022-11-03 01:52:42,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:42,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:42,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:42,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:42,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:42,300 INFO L87 Difference]: Start difference. First operand 28615 states and 41841 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 01:52:44,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:47,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:49,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:52:53,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:54,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:57,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:58,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:01,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:06,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:06,944 INFO L93 Difference]: Finished difference Result 62009 states and 90540 transitions. [2022-11-03 01:53:06,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:06,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 253 [2022-11-03 01:53:06,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:07,126 INFO L225 Difference]: With dead ends: 62009 [2022-11-03 01:53:07,126 INFO L226 Difference]: Without dead ends: 33419 [2022-11-03 01:53:07,236 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 01:53:07,237 INFO L413 NwaCegarLoop]: 8715 mSDtfsCounter, 5753 mSDsluCounter, 4800 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5759 SdHoareTripleChecker+Valid, 12939 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:07,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5759 Valid, 12939 Invalid, 1671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1667 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2022-11-03 01:53:07,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33419 states. [2022-11-03 01:53:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33419 to 33414. [2022-11-03 01:53:09,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33414 states, 20591 states have (on average 1.3327181778446895) internal successors, (27442), 21215 states have internal predecessors, (27442), 10627 states have call successors, (10627), 2197 states have call predecessors, (10627), 2195 states have return successors, (10659), 10470 states have call predecessors, (10659), 10625 states have call successors, (10659) [2022-11-03 01:53:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33414 states to 33414 states and 48728 transitions. [2022-11-03 01:53:09,253 INFO L78 Accepts]: Start accepts. Automaton has 33414 states and 48728 transitions. Word has length 253 [2022-11-03 01:53:09,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:09,258 INFO L495 AbstractCegarLoop]: Abstraction has 33414 states and 48728 transitions. [2022-11-03 01:53:09,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 01:53:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 33414 states and 48728 transitions. [2022-11-03 01:53:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-03 01:53:09,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:09,293 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-11-03 01:53:09,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:53:09,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:09,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:09,295 INFO L85 PathProgramCache]: Analyzing trace with hash -996686728, now seen corresponding path program 1 times [2022-11-03 01:53:09,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:09,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136097688] [2022-11-03 01:53:09,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2022-11-03 01:53:10,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:10,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136097688] [2022-11-03 01:53:10,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136097688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:10,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:10,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:10,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910603477] [2022-11-03 01:53:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:10,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:10,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:10,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:10,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:10,497 INFO L87 Difference]: Start difference. First operand 33414 states and 48728 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-03 01:53:12,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:15,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:19,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:53:22,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:53:29,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:31,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:34,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:36,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:39,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:43,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:43,272 INFO L93 Difference]: Finished difference Result 77922 states and 113718 transitions. [2022-11-03 01:53:43,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:43,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 314 [2022-11-03 01:53:43,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:43,535 INFO L225 Difference]: With dead ends: 77922 [2022-11-03 01:53:43,535 INFO L226 Difference]: Without dead ends: 47795 [2022-11-03 01:53:43,651 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 01:53:43,653 INFO L413 NwaCegarLoop]: 9939 mSDtfsCounter, 5668 mSDsluCounter, 5762 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 16 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5673 SdHoareTripleChecker+Valid, 15049 SdHoareTripleChecker+Invalid, 1969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:43,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5673 Valid, 15049 Invalid, 1969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1947 Invalid, 6 Unknown, 0 Unchecked, 30.9s Time] [2022-11-03 01:53:43,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47795 states. [2022-11-03 01:53:46,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47795 to 47787. [2022-11-03 01:53:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47787 states, 29458 states have (on average 1.3328128182497114) internal successors, (39262), 30350 states have internal predecessors, (39262), 15206 states have call successors, (15206), 3125 states have call predecessors, (15206), 3122 states have return successors, (15252), 14980 states have call predecessors, (15252), 15204 states have call successors, (15252) [2022-11-03 01:53:46,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47787 states to 47787 states and 69720 transitions. [2022-11-03 01:53:46,559 INFO L78 Accepts]: Start accepts. Automaton has 47787 states and 69720 transitions. Word has length 314 [2022-11-03 01:53:46,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:46,560 INFO L495 AbstractCegarLoop]: Abstraction has 47787 states and 69720 transitions. [2022-11-03 01:53:46,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-03 01:53:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 47787 states and 69720 transitions. [2022-11-03 01:53:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-03 01:53:46,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:46,610 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:46,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:53:46,610 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:46,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash 175412906, now seen corresponding path program 1 times [2022-11-03 01:53:46,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:46,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092396521] [2022-11-03 01:53:46,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:46,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1295 trivial. 0 not checked. [2022-11-03 01:53:47,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:47,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092396521] [2022-11-03 01:53:47,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092396521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:47,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:47,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:47,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903248759] [2022-11-03 01:53:47,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:47,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:47,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:47,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:47,755 INFO L87 Difference]: Start difference. First operand 47787 states and 69720 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 01:53:49,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:53,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:55,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:58,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:54:05,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:07,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:09,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:13,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:14,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:19,190 INFO L93 Difference]: Finished difference Result 130196 states and 189695 transitions. [2022-11-03 01:54:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:19,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 371 [2022-11-03 01:54:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:19,643 INFO L225 Difference]: With dead ends: 130196 [2022-11-03 01:54:19,643 INFO L226 Difference]: Without dead ends: 82451 [2022-11-03 01:54:19,848 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 01:54:19,849 INFO L413 NwaCegarLoop]: 7854 mSDtfsCounter, 4777 mSDsluCounter, 5763 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4783 SdHoareTripleChecker+Valid, 12972 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:19,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4783 Valid, 12972 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1627 Invalid, 6 Unknown, 0 Unchecked, 28.4s Time] [2022-11-03 01:54:19,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82451 states. [2022-11-03 01:54:23,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82451 to 82443. [2022-11-03 01:54:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82443 states, 50932 states have (on average 1.33521165475536) internal successors, (68005), 52397 states have internal predecessors, (68005), 25948 states have call successors, (25948), 5568 states have call predecessors, (25948), 5562 states have return successors, (26055), 25600 states have call predecessors, (26055), 25946 states have call successors, (26055) [2022-11-03 01:54:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82443 states to 82443 states and 120008 transitions. [2022-11-03 01:54:24,577 INFO L78 Accepts]: Start accepts. Automaton has 82443 states and 120008 transitions. Word has length 371 [2022-11-03 01:54:24,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:24,578 INFO L495 AbstractCegarLoop]: Abstraction has 82443 states and 120008 transitions. [2022-11-03 01:54:24,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 01:54:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 82443 states and 120008 transitions. [2022-11-03 01:54:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-11-03 01:54:24,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:24,664 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 01:54:24,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:54:24,665 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:24,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:24,665 INFO L85 PathProgramCache]: Analyzing trace with hash 773033506, now seen corresponding path program 1 times [2022-11-03 01:54:24,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:24,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277295716] [2022-11-03 01:54:24,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:24,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2022-11-03 01:54:26,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:26,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277295716] [2022-11-03 01:54:26,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277295716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:26,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:26,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:54:26,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521577190] [2022-11-03 01:54:26,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:26,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:54:26,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:26,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:54:26,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:26,510 INFO L87 Difference]: Start difference. First operand 82443 states and 120008 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-03 01:54:28,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:32,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:36,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:54:44,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:46,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:48,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:51,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:54,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:57,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:59,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:00,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:07,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:07,825 INFO L93 Difference]: Finished difference Result 165060 states and 242924 transitions. [2022-11-03 01:55:07,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:55:07,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 335 [2022-11-03 01:55:07,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:08,478 INFO L225 Difference]: With dead ends: 165060 [2022-11-03 01:55:08,478 INFO L226 Difference]: Without dead ends: 82659 [2022-11-03 01:55:08,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:55:08,788 INFO L413 NwaCegarLoop]: 5159 mSDtfsCounter, 5 mSDsluCounter, 17419 mSDsCounter, 0 mSdLazyCounter, 2664 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 20605 SdHoareTripleChecker+Invalid, 2672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2664 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:08,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 20605 Invalid, 2672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2664 Invalid, 5 Unknown, 0 Unchecked, 37.5s Time] [2022-11-03 01:55:08,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82659 states. [2022-11-03 01:55:12,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82659 to 82551. [2022-11-03 01:55:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82551 states, 51013 states have (on average 1.334679395448219) internal successors, (68086), 52478 states have internal predecessors, (68086), 25948 states have call successors, (25948), 5568 states have call predecessors, (25948), 5589 states have return successors, (26500), 25627 states have call predecessors, (26500), 25946 states have call successors, (26500) [2022-11-03 01:55:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82551 states to 82551 states and 120534 transitions. [2022-11-03 01:55:12,989 INFO L78 Accepts]: Start accepts. Automaton has 82551 states and 120534 transitions. Word has length 335 [2022-11-03 01:55:12,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:12,990 INFO L495 AbstractCegarLoop]: Abstraction has 82551 states and 120534 transitions. [2022-11-03 01:55:12,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-03 01:55:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 82551 states and 120534 transitions. [2022-11-03 01:55:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-11-03 01:55:13,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:13,523 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 4, 4, 4, 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 01:55:13,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:55:13,524 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:13,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:13,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1387705659, now seen corresponding path program 1 times [2022-11-03 01:55:13,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:13,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083939469] [2022-11-03 01:55:13,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:13,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2022-11-03 01:55:14,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:14,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083939469] [2022-11-03 01:55:14,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083939469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:14,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:14,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:14,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26397183] [2022-11-03 01:55:14,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:14,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:14,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:14,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:14,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:14,495 INFO L87 Difference]: Start difference. First operand 82551 states and 120534 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-03 01:55:16,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:19,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:23,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:55:29,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:31,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:40,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:43,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:43,056 INFO L93 Difference]: Finished difference Result 171886 states and 253073 transitions. [2022-11-03 01:55:43,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:43,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 331 [2022-11-03 01:55:43,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:43,506 INFO L225 Difference]: With dead ends: 171886 [2022-11-03 01:55:43,506 INFO L226 Difference]: Without dead ends: 93285 [2022-11-03 01:55:43,943 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 01:55:43,943 INFO L413 NwaCegarLoop]: 6100 mSDtfsCounter, 781 mSDsluCounter, 5957 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 11401 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:43,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 11401 Invalid, 1416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1403 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2022-11-03 01:55:44,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93285 states. [2022-11-03 01:55:47,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93285 to 82563. [2022-11-03 01:55:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82563 states, 51025 states have (on average 1.3346006859382655) internal successors, (68098), 52490 states have internal predecessors, (68098), 25948 states have call successors, (25948), 5568 states have call predecessors, (25948), 5589 states have return successors, (26500), 25627 states have call predecessors, (26500), 25946 states have call successors, (26500) [2022-11-03 01:55:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82563 states to 82563 states and 120546 transitions. [2022-11-03 01:55:47,860 INFO L78 Accepts]: Start accepts. Automaton has 82563 states and 120546 transitions. Word has length 331 [2022-11-03 01:55:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:47,861 INFO L495 AbstractCegarLoop]: Abstraction has 82563 states and 120546 transitions. [2022-11-03 01:55:47,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-03 01:55:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 82563 states and 120546 transitions. [2022-11-03 01:55:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-11-03 01:55:47,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:47,926 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-11-03 01:55:47,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:55:47,927 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:47,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:47,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1710764376, now seen corresponding path program 1 times [2022-11-03 01:55:47,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:47,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814013084] [2022-11-03 01:55:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:47,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2022-11-03 01:55:49,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:49,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814013084] [2022-11-03 01:55:49,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814013084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:49,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:49,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:49,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572975739] [2022-11-03 01:55:49,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:49,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:49,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:49,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:49,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:49,499 INFO L87 Difference]: Start difference. First operand 82563 states and 120546 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-03 01:55:51,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:54,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:57,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:56:00,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:04,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:06,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:15,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:18,947 INFO L93 Difference]: Finished difference Result 161924 states and 237831 transitions. [2022-11-03 01:56:18,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:56:18,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 340 [2022-11-03 01:56:18,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:20,045 INFO L225 Difference]: With dead ends: 161924 [2022-11-03 01:56:20,045 INFO L226 Difference]: Without dead ends: 161920 [2022-11-03 01:56:20,108 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 01:56:20,108 INFO L413 NwaCegarLoop]: 6839 mSDtfsCounter, 5637 mSDsluCounter, 5717 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5639 SdHoareTripleChecker+Valid, 11913 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:20,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5639 Valid, 11913 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1399 Invalid, 5 Unknown, 0 Unchecked, 24.2s Time] [2022-11-03 01:56:20,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161920 states.