./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba --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 637c8df7181ab241b9f0175bf03e24d65a8b4c37f1a710a25ab16dc44ce41188 --- 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-b5237d8 [2022-11-22 02:00:22,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:00:22,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:00:22,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:00:22,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:00:22,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:00:22,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:00:22,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:00:22,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:00:22,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:00:22,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:00:22,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:00:22,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:00:22,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:00:22,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:00:22,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:00:22,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:00:22,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:00:22,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:00:22,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:00:22,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:00:22,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:00:22,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:00:22,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:00:22,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:00:22,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:00:22,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:00:22,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:00:22,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:00:22,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:00:22,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:00:22,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:00:22,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:00:22,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:00:22,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:00:22,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:00:22,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:00:22,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:00:22,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:00:22,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:00:22,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:00:22,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:00:22,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:00:22,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:00:22,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:00:22,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:00:22,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:00:22,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:00:22,178 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:00:22,178 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:00:22,178 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:00:22,179 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:00:22,179 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:00:22,179 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:00:22,180 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:00:22,180 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:00:22,180 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:00:22,180 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:00:22,181 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:00:22,181 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:00:22,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:00:22,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:00:22,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:00:22,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:00:22,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:00:22,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:00:22,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:00:22,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:00:22,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:00:22,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:00:22,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:00:22,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:00:22,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:00:22,186 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:00:22,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:00:22,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:00:22,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:00:22,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:00:22,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:00:22,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:00:22,188 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_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637c8df7181ab241b9f0175bf03e24d65a8b4c37f1a710a25ab16dc44ce41188 [2022-11-22 02:00:22,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:00:22,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:00:22,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:00:22,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:00:22,502 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:00:22,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2022-11-22 02:00:25,541 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:00:26,378 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:00:26,379 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2022-11-22 02:00:26,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/data/0c0fac6cc/addd26f664d0473dbf695eaf6c804166/FLAG92b97d9f0 [2022-11-22 02:00:26,468 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/data/0c0fac6cc/addd26f664d0473dbf695eaf6c804166 [2022-11-22 02:00:26,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:00:26,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:00:26,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:00:26,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:00:26,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:00:26,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:26" (1/1) ... [2022-11-22 02:00:26,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666469b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:26, skipping insertion in model container [2022-11-22 02:00:26,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:26" (1/1) ... [2022-11-22 02:00:26,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:00:26,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:00:33,033 WARN L237 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_832f4da1-5f61-4383-9248-60fdbc9f3974/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i[576599,576612] [2022-11-22 02:00:33,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:00:33,541 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:00:34,255 WARN L237 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_832f4da1-5f61-4383-9248-60fdbc9f3974/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i[576599,576612] [2022-11-22 02:00:34,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:00:34,897 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:00:34,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34 WrapperNode [2022-11-22 02:00:34,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:00:34,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:00:34,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:00:34,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:00:34,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:35,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:35,658 INFO L138 Inliner]: procedures = 646, calls = 8216, calls flagged for inlining = 300, calls inlined = 249, statements flattened = 14961 [2022-11-22 02:00:35,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:00:35,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:00:35,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:00:35,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:00:35,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:35,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:35,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:35,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:36,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:36,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:36,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:36,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:36,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:00:36,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:00:36,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:00:36,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:00:36,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (1/1) ... [2022-11-22 02:00:36,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:00:36,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:00:36,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:00:36,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832f4da1-5f61-4383-9248-60fdbc9f3974/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:00:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 02:00:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 02:00:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2022-11-22 02:00:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2022-11-22 02:00:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2022-11-22 02:00:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2022-11-22 02:00:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2022-11-22 02:00:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2022-11-22 02:00:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-22 02:00:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-22 02:00:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-22 02:00:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-22 02:00:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2022-11-22 02:00:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2022-11-22 02:00:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 02:00:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 02:00:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:00:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:00:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 02:00:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 02:00:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2022-11-22 02:00:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2022-11-22 02:00:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2022-11-22 02:00:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2022-11-22 02:00:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 02:00:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 02:00:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2022-11-22 02:00:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2022-11-22 02:00:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2022-11-22 02:00:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2022-11-22 02:00:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:00:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:00:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2022-11-22 02:00:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2022-11-22 02:00:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2022-11-22 02:00:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2022-11-22 02:00:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-22 02:00:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-22 02:00:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-22 02:00:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-22 02:00:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2022-11-22 02:00:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2022-11-22 02:00:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2022-11-22 02:00:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2022-11-22 02:00:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 02:00:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 02:00:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2022-11-22 02:00:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2022-11-22 02:00:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2022-11-22 02:00:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2022-11-22 02:00:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:00:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:00:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 02:00:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 02:00:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:00:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:00:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2022-11-22 02:00:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2022-11-22 02:00:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-22 02:00:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-22 02:00:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2022-11-22 02:00:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2022-11-22 02:00:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-22 02:00:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-22 02:00:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:00:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:00:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2022-11-22 02:00:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2022-11-22 02:00:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2022-11-22 02:00:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2022-11-22 02:00:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2022-11-22 02:00:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2022-11-22 02:00:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-22 02:00:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-22 02:00:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 02:00:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:00:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:00:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 02:00:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 02:00:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 02:00:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 02:00:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 02:00:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 02:00:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 02:00:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 02:00:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:00:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2022-11-22 02:00:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2022-11-22 02:00:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2022-11-22 02:00:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2022-11-22 02:00:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-22 02:00:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-22 02:00:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2022-11-22 02:00:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2022-11-22 02:00:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 02:00:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 02:00:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2022-11-22 02:00:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2022-11-22 02:00:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:00:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:00:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:00:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:00:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 02:00:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 02:00:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-22 02:00:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-22 02:00:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:00:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 02:00:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 02:00:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-22 02:00:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-22 02:00:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2022-11-22 02:00:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2022-11-22 02:00:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2022-11-22 02:00:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2022-11-22 02:00:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:00:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:00:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2022-11-22 02:00:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2022-11-22 02:00:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 02:00:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 02:00:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2022-11-22 02:00:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2022-11-22 02:00:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:00:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2022-11-22 02:00:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2022-11-22 02:00:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-11-22 02:00:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-11-22 02:00:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2022-11-22 02:00:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2022-11-22 02:00:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-22 02:00:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-22 02:00:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2022-11-22 02:00:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2022-11-22 02:00:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:00:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:00:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:00:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_error_detected [2022-11-22 02:00:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_error_detected [2022-11-22 02:00:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-22 02:00:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-22 02:00:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:00:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:00:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2022-11-22 02:00:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2022-11-22 02:00:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2022-11-22 02:00:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2022-11-22 02:00:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2022-11-22 02:00:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2022-11-22 02:00:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2022-11-22 02:00:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2022-11-22 02:00:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 02:00:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 02:00:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-22 02:00:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-22 02:00:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2022-11-22 02:00:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2022-11-22 02:00:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2022-11-22 02:00:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2022-11-22 02:00:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 02:00:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 02:00:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2022-11-22 02:00:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2022-11-22 02:00:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2022-11-22 02:00:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2022-11-22 02:00:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 02:00:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 02:00:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2022-11-22 02:00:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2022-11-22 02:00:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:00:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:00:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-22 02:00:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-22 02:00:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2022-11-22 02:00:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2022-11-22 02:00:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2022-11-22 02:00:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2022-11-22 02:00:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2022-11-22 02:00:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2022-11-22 02:00:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-22 02:00:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-22 02:00:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2022-11-22 02:00:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2022-11-22 02:00:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:00:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-11-22 02:00:36,898 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-11-22 02:00:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 02:00:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 02:00:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2022-11-22 02:00:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2022-11-22 02:00:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:00:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:00:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:00:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:00:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-22 02:00:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-22 02:00:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:00:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2022-11-22 02:00:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2022-11-22 02:00:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-22 02:00:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-22 02:00:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2022-11-22 02:00:36,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2022-11-22 02:00:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 02:00:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 02:00:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ioctl [2022-11-22 02:00:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ioctl [2022-11-22 02:00:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2022-11-22 02:00:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2022-11-22 02:00:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2022-11-22 02:00:36,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2022-11-22 02:00:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 02:00:36,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 02:00:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:00:36,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:00:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2022-11-22 02:00:36,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2022-11-22 02:00:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-22 02:00:36,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-22 02:00:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2022-11-22 02:00:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2022-11-22 02:00:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 02:00:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 02:00:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 02:00:36,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 02:00:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-22 02:00:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-22 02:00:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-22 02:00:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-22 02:00:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 02:00:36,913 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 02:00:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2022-11-22 02:00:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2022-11-22 02:00:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 02:00:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 02:00:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:00:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:00:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2022-11-22 02:00:36,914 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2022-11-22 02:00:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2022-11-22 02:00:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2022-11-22 02:00:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-22 02:00:36,918 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-22 02:00:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2022-11-22 02:00:36,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2022-11-22 02:00:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 02:00:36,920 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 02:00:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2022-11-22 02:00:36,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2022-11-22 02:00:36,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:00:36,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:00:36,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-22 02:00:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-22 02:00:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 02:00:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 02:00:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2022-11-22 02:00:36,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2022-11-22 02:00:36,929 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 02:00:36,930 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 02:00:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_task [2022-11-22 02:00:36,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_task [2022-11-22 02:00:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:00:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:00:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:00:36,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:00:36,930 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2022-11-22 02:00:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2022-11-22 02:00:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:00:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:00:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 02:00:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 02:00:36,931 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2022-11-22 02:00:36,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2022-11-22 02:00:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 02:00:36,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 02:00:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:00:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 02:00:36,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 02:00:36,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 02:00:36,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 02:00:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 02:00:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 02:00:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 02:00:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 02:00:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-22 02:00:36,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-22 02:00:36,933 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2022-11-22 02:00:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2022-11-22 02:00:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2022-11-22 02:00:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2022-11-22 02:00:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 02:00:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 02:00:36,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 02:00:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 02:00:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:00:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:00:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:00:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:00:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2022-11-22 02:00:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2022-11-22 02:00:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-22 02:00:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-22 02:00:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-22 02:00:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-22 02:00:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2022-11-22 02:00:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2022-11-22 02:00:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2022-11-22 02:00:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2022-11-22 02:00:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 02:00:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 02:00:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2022-11-22 02:00:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2022-11-22 02:00:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2022-11-22 02:00:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2022-11-22 02:00:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 02:00:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 02:00:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 02:00:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 02:00:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:00:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2022-11-22 02:00:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2022-11-22 02:00:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2022-11-22 02:00:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2022-11-22 02:00:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2022-11-22 02:00:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2022-11-22 02:00:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 02:00:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 02:00:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2022-11-22 02:00:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2022-11-22 02:00:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:00:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:00:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2022-11-22 02:00:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2022-11-22 02:00:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:00:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2022-11-22 02:00:36,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2022-11-22 02:00:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2022-11-22 02:00:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2022-11-22 02:00:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2022-11-22 02:00:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2022-11-22 02:00:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-22 02:00:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-22 02:00:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2022-11-22 02:00:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2022-11-22 02:00:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2022-11-22 02:00:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2022-11-22 02:00:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-22 02:00:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-22 02:00:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:00:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2022-11-22 02:00:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2022-11-22 02:00:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2022-11-22 02:00:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2022-11-22 02:00:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2022-11-22 02:00:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2022-11-22 02:00:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2022-11-22 02:00:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2022-11-22 02:00:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:00:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:00:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-22 02:00:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-22 02:00:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2022-11-22 02:00:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2022-11-22 02:00:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 02:00:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 02:00:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2022-11-22 02:00:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2022-11-22 02:00:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:00:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:00:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2022-11-22 02:00:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2022-11-22 02:00:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2022-11-22 02:00:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2022-11-22 02:00:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-22 02:00:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-22 02:00:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2022-11-22 02:00:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2022-11-22 02:00:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_stats64 [2022-11-22 02:00:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_stats64 [2022-11-22 02:00:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2022-11-22 02:00:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2022-11-22 02:00:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2022-11-22 02:00:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2022-11-22 02:00:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2022-11-22 02:00:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2022-11-22 02:00:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 02:00:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 02:00:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2022-11-22 02:00:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2022-11-22 02:00:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 02:00:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 02:00:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:00:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:00:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 02:00:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 02:00:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-22 02:00:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-22 02:00:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2022-11-22 02:00:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2022-11-22 02:00:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:00:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:00:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2022-11-22 02:00:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2022-11-22 02:00:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2022-11-22 02:00:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2022-11-22 02:00:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2022-11-22 02:00:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2022-11-22 02:00:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2022-11-22 02:00:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2022-11-22 02:00:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2022-11-22 02:00:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2022-11-22 02:00:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:00:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:00:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2022-11-22 02:00:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2022-11-22 02:00:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:00:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2022-11-22 02:00:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2022-11-22 02:00:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:00:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:00:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2022-11-22 02:00:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2022-11-22 02:00:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2022-11-22 02:00:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2022-11-22 02:00:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2022-11-22 02:00:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2022-11-22 02:00:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_slot_reset [2022-11-22 02:00:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_slot_reset [2022-11-22 02:00:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2022-11-22 02:00:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2022-11-22 02:00:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-22 02:00:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-22 02:00:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 02:00:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 02:00:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 02:00:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 02:00:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 02:00:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 02:00:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2022-11-22 02:00:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2022-11-22 02:00:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 02:00:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 02:00:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-22 02:00:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-22 02:00:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2022-11-22 02:00:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2022-11-22 02:00:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2022-11-22 02:00:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2022-11-22 02:00:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:00:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:00:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2022-11-22 02:00:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2022-11-22 02:00:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-22 02:00:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-22 02:00:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-22 02:00:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-22 02:00:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 02:00:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 02:00:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 02:00:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 02:00:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:00:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:00:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 02:00:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 02:00:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 02:00:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 02:00:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:00:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2022-11-22 02:00:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2022-11-22 02:00:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2022-11-22 02:00:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2022-11-22 02:00:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-22 02:00:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-22 02:00:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2022-11-22 02:00:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2022-11-22 02:00:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2022-11-22 02:00:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2022-11-22 02:00:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2022-11-22 02:00:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2022-11-22 02:00:38,782 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:00:38,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:00:39,387 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:03:36,952 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:03:47,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:03:47,695 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 02:03:47,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:47 BoogieIcfgContainer [2022-11-22 02:03:47,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:03:47,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:03:47,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:03:47,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:03:47,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:00:26" (1/3) ... [2022-11-22 02:03:47,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e274a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:47, skipping insertion in model container [2022-11-22 02:03:47,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:34" (2/3) ... [2022-11-22 02:03:47,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e274a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:03:47, skipping insertion in model container [2022-11-22 02:03:47,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:03:47" (3/3) ... [2022-11-22 02:03:47,716 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--broadcom--bnx2.ko-entry_point.cil.out.i [2022-11-22 02:03:47,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:03:47,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:03:47,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:03:47,894 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;@5dc5559c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:03:47,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:03:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 4244 states, 2592 states have (on average 1.3070987654320987) internal successors, (3388), 2665 states have internal predecessors, (3388), 1421 states have call successors, (1421), 230 states have call predecessors, (1421), 229 states have return successors, (1413), 1410 states have call predecessors, (1413), 1413 states have call successors, (1413) [2022-11-22 02:03:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-22 02:03:47,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:03:47,948 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:03:47,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:03:47,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:03:47,957 INFO L85 PathProgramCache]: Analyzing trace with hash 800172113, now seen corresponding path program 1 times [2022-11-22 02:03:47,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:03:47,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631428958] [2022-11-22 02:03:47,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:03:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:03:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:03:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-11-22 02:03:50,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:03:50,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631428958] [2022-11-22 02:03:50,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631428958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:03:50,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:03:50,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:03:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128085214] [2022-11-22 02:03:50,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:03:50,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:03:50,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:03:50,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:03:50,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:03:50,241 INFO L87 Difference]: Start difference. First operand has 4244 states, 2592 states have (on average 1.3070987654320987) internal successors, (3388), 2665 states have internal predecessors, (3388), 1421 states have call successors, (1421), 230 states have call predecessors, (1421), 229 states have return successors, (1413), 1410 states have call predecessors, (1413), 1413 states have call successors, (1413) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-22 02:03:54,233 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 [] [2022-11-22 02:03:56,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:02,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:05,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:11,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:13,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:15,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:18,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:20,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:22,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:24,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:29,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:04:29,295 INFO L93 Difference]: Finished difference Result 12413 states and 18303 transitions. [2022-11-22 02:04:29,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:04:29,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 259 [2022-11-22 02:04:29,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:04:29,399 INFO L225 Difference]: With dead ends: 12413 [2022-11-22 02:04:29,399 INFO L226 Difference]: Without dead ends: 8185 [2022-11-22 02:04:29,445 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 [2022-11-22 02:04:29,454 INFO L413 NwaCegarLoop]: 7833 mSDtfsCounter, 5794 mSDsluCounter, 5649 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5804 SdHoareTripleChecker+Valid, 13482 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:04:29,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5804 Valid, 13482 Invalid, 1204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1192 Invalid, 9 Unknown, 0 Unchecked, 38.4s Time] [2022-11-22 02:04:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8185 states. [2022-11-22 02:04:30,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8185 to 8175. [2022-11-22 02:04:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8175 states, 5005 states have (on average 1.3026973026973028) internal successors, (6520), 5125 states have internal predecessors, (6520), 2722 states have call successors, (2722), 451 states have call predecessors, (2722), 447 states have return successors, (2719), 2705 states have call predecessors, (2719), 2716 states have call successors, (2719) [2022-11-22 02:04:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8175 states to 8175 states and 11961 transitions. [2022-11-22 02:04:30,501 INFO L78 Accepts]: Start accepts. Automaton has 8175 states and 11961 transitions. Word has length 259 [2022-11-22 02:04:30,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:04:30,508 INFO L495 AbstractCegarLoop]: Abstraction has 8175 states and 11961 transitions. [2022-11-22 02:04:30,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-22 02:04:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8175 states and 11961 transitions. [2022-11-22 02:04:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-22 02:04:30,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:04:30,535 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:04:30,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:04:30,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:04:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:04:30,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1452271227, now seen corresponding path program 1 times [2022-11-22 02:04:30,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:04:30,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360171294] [2022-11-22 02:04:30,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:04:30,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:04:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:04:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-11-22 02:04:33,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:04:33,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360171294] [2022-11-22 02:04:33,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360171294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:04:33,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:04:33,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:04:33,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066960732] [2022-11-22 02:04:33,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:04:33,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:04:33,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:04:33,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:04:33,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:04:33,278 INFO L87 Difference]: Start difference. First operand 8175 states and 11961 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:04:35,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:39,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:41,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:49,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:51,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:54,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:55,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:04:57,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:00,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:02,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:04,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:07,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:10,921 INFO L93 Difference]: Finished difference Result 24053 states and 35440 transitions. [2022-11-22 02:05:10,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:05:10,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 280 [2022-11-22 02:05:10,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:11,088 INFO L225 Difference]: With dead ends: 24053 [2022-11-22 02:05:11,089 INFO L226 Difference]: Without dead ends: 15927 [2022-11-22 02:05:11,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:05:11,175 INFO L413 NwaCegarLoop]: 7183 mSDtfsCounter, 5755 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5761 SdHoareTripleChecker+Valid, 12718 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:11,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5761 Valid, 12718 Invalid, 1137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1125 Invalid, 7 Unknown, 0 Unchecked, 36.9s Time] [2022-11-22 02:05:11,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15927 states. [2022-11-22 02:05:12,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15927 to 15910. [2022-11-22 02:05:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15910 states, 9752 states have (on average 1.3025020508613618) internal successors, (12702), 9973 states have internal predecessors, (12702), 5291 states have call successors, (5291), 880 states have call predecessors, (5291), 866 states have return successors, (5372), 5256 states have call predecessors, (5372), 5283 states have call successors, (5372) [2022-11-22 02:05:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15910 states to 15910 states and 23365 transitions. [2022-11-22 02:05:12,329 INFO L78 Accepts]: Start accepts. Automaton has 15910 states and 23365 transitions. Word has length 280 [2022-11-22 02:05:12,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:12,331 INFO L495 AbstractCegarLoop]: Abstraction has 15910 states and 23365 transitions. [2022-11-22 02:05:12,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:05:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 15910 states and 23365 transitions. [2022-11-22 02:05:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-22 02:05:12,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:12,342 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:05:12,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:05:12,342 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:05:12,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:12,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1508795531, now seen corresponding path program 1 times [2022-11-22 02:05:12,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:12,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132066120] [2022-11-22 02:05:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-22 02:05:13,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132066120] [2022-11-22 02:05:13,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132066120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:13,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:13,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:05:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905903224] [2022-11-22 02:05:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:13,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:05:13,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:05:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:05:13,406 INFO L87 Difference]: Start difference. First operand 15910 states and 23365 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:05:17,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:19,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:26,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:32,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:34,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:38,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:40,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:42,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:45,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:47,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:05:53,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:05:53,369 INFO L93 Difference]: Finished difference Result 31576 states and 46368 transitions. [2022-11-22 02:05:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:05:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 275 [2022-11-22 02:05:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:05:53,597 INFO L225 Difference]: With dead ends: 31576 [2022-11-22 02:05:53,597 INFO L226 Difference]: Without dead ends: 31573 [2022-11-22 02:05:53,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:05:53,618 INFO L413 NwaCegarLoop]: 8015 mSDtfsCounter, 5836 mSDsluCounter, 5552 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5842 SdHoareTripleChecker+Valid, 13567 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:05:53,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5842 Valid, 13567 Invalid, 1216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1209 Invalid, 6 Unknown, 0 Unchecked, 39.0s Time] [2022-11-22 02:05:53,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31573 states. [2022-11-22 02:05:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31573 to 31555. [2022-11-22 02:05:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31555 states, 19348 states have (on average 1.3030287368203433) internal successors, (25211), 19786 states have internal predecessors, (25211), 10485 states have call successors, (10485), 1750 states have call predecessors, (10485), 1721 states have return successors, (10652), 10416 states have call predecessors, (10652), 10477 states have call successors, (10652) [2022-11-22 02:05:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31555 states to 31555 states and 46348 transitions. [2022-11-22 02:05:55,764 INFO L78 Accepts]: Start accepts. Automaton has 31555 states and 46348 transitions. Word has length 275 [2022-11-22 02:05:55,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:05:55,766 INFO L495 AbstractCegarLoop]: Abstraction has 31555 states and 46348 transitions. [2022-11-22 02:05:55,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:05:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 31555 states and 46348 transitions. [2022-11-22 02:05:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-22 02:05:55,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:05:55,779 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:05:55,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:05:55,780 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:05:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:05:55,780 INFO L85 PathProgramCache]: Analyzing trace with hash -474224712, now seen corresponding path program 1 times [2022-11-22 02:05:55,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:05:55,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698597586] [2022-11-22 02:05:55,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:05:55,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:05:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:05:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-22 02:05:56,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:05:56,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698597586] [2022-11-22 02:05:56,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698597586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:05:56,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:05:56,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:05:56,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350080244] [2022-11-22 02:05:56,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:05:56,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:05:56,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:05:56,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:05:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:05:56,682 INFO L87 Difference]: Start difference. First operand 31555 states and 46348 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:05:59,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:02,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:04,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:11,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:14,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:18,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:22,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:24,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:26,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:28,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:30,501 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 [] [2022-11-22 02:06:38,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:06:38,026 INFO L93 Difference]: Finished difference Result 31810 states and 46668 transitions. [2022-11-22 02:06:38,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:06:38,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 276 [2022-11-22 02:06:38,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:06:38,279 INFO L225 Difference]: With dead ends: 31810 [2022-11-22 02:06:38,279 INFO L226 Difference]: Without dead ends: 31807 [2022-11-22 02:06:38,311 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 [2022-11-22 02:06:38,312 INFO L413 NwaCegarLoop]: 8028 mSDtfsCounter, 5829 mSDsluCounter, 5555 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5839 SdHoareTripleChecker+Valid, 13583 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:06:38,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5839 Valid, 13583 Invalid, 1227 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 1218 Invalid, 8 Unknown, 0 Unchecked, 40.1s Time] [2022-11-22 02:06:38,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31807 states. [2022-11-22 02:06:40,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31807 to 31786. [2022-11-22 02:06:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31786 states, 19486 states have (on average 1.3027814841424612) internal successors, (25386), 19929 states have internal predecessors, (25386), 10545 states have call successors, (10545), 1783 states have call predecessors, (10545), 1754 states have return successors, (10714), 10474 states have call predecessors, (10714), 10537 states have call successors, (10714) [2022-11-22 02:06:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31786 states to 31786 states and 46645 transitions. [2022-11-22 02:06:41,140 INFO L78 Accepts]: Start accepts. Automaton has 31786 states and 46645 transitions. Word has length 276 [2022-11-22 02:06:41,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:06:41,143 INFO L495 AbstractCegarLoop]: Abstraction has 31786 states and 46645 transitions. [2022-11-22 02:06:41,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:06:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 31786 states and 46645 transitions. [2022-11-22 02:06:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-22 02:06:41,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:06:41,159 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:06:41,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:06:41,159 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:06:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:06:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1818305234, now seen corresponding path program 1 times [2022-11-22 02:06:41,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:06:41,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935923177] [2022-11-22 02:06:41,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:06:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:06:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:06:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-22 02:06:42,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:06:42,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935923177] [2022-11-22 02:06:42,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935923177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:06:42,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:06:42,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:06:42,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321854484] [2022-11-22 02:06:42,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:06:42,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:06:42,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:06:42,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:06:42,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:06:42,488 INFO L87 Difference]: Start difference. First operand 31786 states and 46645 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:06:44,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:48,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:50,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:52,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:55,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:58,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:01,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:05,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:09,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:11,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:14,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:16,832 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 [] [2022-11-22 02:07:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:07:23,227 INFO L93 Difference]: Finished difference Result 32153 states and 47122 transitions. [2022-11-22 02:07:23,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:07:23,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 277 [2022-11-22 02:07:23,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:07:23,486 INFO L225 Difference]: With dead ends: 32153 [2022-11-22 02:07:23,487 INFO L226 Difference]: Without dead ends: 32145 [2022-11-22 02:07:23,512 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 [2022-11-22 02:07:23,513 INFO L413 NwaCegarLoop]: 7964 mSDtfsCounter, 5821 mSDsluCounter, 5558 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5830 SdHoareTripleChecker+Valid, 13522 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:07:23,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5830 Valid, 13522 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1198 Invalid, 9 Unknown, 0 Unchecked, 39.7s Time] [2022-11-22 02:07:23,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32145 states. [2022-11-22 02:07:25,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32145 to 32124. [2022-11-22 02:07:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32124 states, 19678 states have (on average 1.3016566724260596) internal successors, (25614), 20133 states have internal predecessors, (25614), 10653 states have call successors, (10653), 1821 states have call predecessors, (10653), 1792 states have return successors, (10824), 10578 states have call predecessors, (10824), 10645 states have call successors, (10824) [2022-11-22 02:07:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32124 states to 32124 states and 47091 transitions. [2022-11-22 02:07:26,213 INFO L78 Accepts]: Start accepts. Automaton has 32124 states and 47091 transitions. Word has length 277 [2022-11-22 02:07:26,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:07:26,216 INFO L495 AbstractCegarLoop]: Abstraction has 32124 states and 47091 transitions. [2022-11-22 02:07:26,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:07:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 32124 states and 47091 transitions. [2022-11-22 02:07:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-22 02:07:26,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:07:26,234 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:07:26,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:07:26,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:07:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:07:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1680925246, now seen corresponding path program 1 times [2022-11-22 02:07:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:07:26,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891728824] [2022-11-22 02:07:26,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:07:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:07:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:07:27,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-11-22 02:07:27,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:07:27,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891728824] [2022-11-22 02:07:27,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891728824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:07:27,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:07:27,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:07:27,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705897510] [2022-11-22 02:07:27,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:07:27,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:07:27,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:07:27,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:07:27,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:07:27,540 INFO L87 Difference]: Start difference. First operand 32124 states and 47091 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:07:29,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:32,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:34,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:37,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:39,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:42,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:46,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:53,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:07:57,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:01,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:04,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:06,633 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 [] [2022-11-22 02:08:08,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:08,872 INFO L93 Difference]: Finished difference Result 92658 states and 135473 transitions. [2022-11-22 02:08:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:08:08,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 287 [2022-11-22 02:08:08,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:09,334 INFO L225 Difference]: With dead ends: 92658 [2022-11-22 02:08:09,334 INFO L226 Difference]: Without dead ends: 60583 [2022-11-22 02:08:09,544 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 [2022-11-22 02:08:09,545 INFO L413 NwaCegarLoop]: 6958 mSDtfsCounter, 5325 mSDsluCounter, 5498 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5330 SdHoareTripleChecker+Valid, 12456 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:09,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5330 Valid, 12456 Invalid, 1189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1180 Invalid, 7 Unknown, 0 Unchecked, 38.8s Time] [2022-11-22 02:08:09,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60583 states. [2022-11-22 02:08:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60583 to 60553. [2022-11-22 02:08:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60553 states, 36941 states have (on average 1.294929752849138) internal successors, (47836), 37835 states have internal predecessors, (47836), 20123 states have call successors, (20123), 3533 states have call predecessors, (20123), 3488 states have return successors, (20454), 19994 states have call predecessors, (20454), 20115 states have call successors, (20454) [2022-11-22 02:08:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60553 states to 60553 states and 88413 transitions. [2022-11-22 02:08:13,674 INFO L78 Accepts]: Start accepts. Automaton has 60553 states and 88413 transitions. Word has length 287 [2022-11-22 02:08:13,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:13,675 INFO L495 AbstractCegarLoop]: Abstraction has 60553 states and 88413 transitions. [2022-11-22 02:08:13,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:08:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 60553 states and 88413 transitions. [2022-11-22 02:08:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-22 02:08:13,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:13,689 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:08:13,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:08:13,689 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:08:13,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:13,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2056642396, now seen corresponding path program 1 times [2022-11-22 02:08:13,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:13,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876208261] [2022-11-22 02:08:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:13,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:08:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:08:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-11-22 02:08:14,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:08:14,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876208261] [2022-11-22 02:08:14,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876208261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:08:14,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:08:14,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:08:14,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811172130] [2022-11-22 02:08:14,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:08:14,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:08:14,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:08:14,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:08:14,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:08:14,968 INFO L87 Difference]: Start difference. First operand 60553 states and 88413 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:08:16,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:21,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:24,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:28,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:34,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:36,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:39,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:48,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:51,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:08:54,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:08:54,155 INFO L93 Difference]: Finished difference Result 115657 states and 166835 transitions. [2022-11-22 02:08:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:08:54,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 295 [2022-11-22 02:08:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:08:54,572 INFO L225 Difference]: With dead ends: 115657 [2022-11-22 02:08:54,573 INFO L226 Difference]: Without dead ends: 79259 [2022-11-22 02:08:54,869 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 [2022-11-22 02:08:54,870 INFO L413 NwaCegarLoop]: 8392 mSDtfsCounter, 3452 mSDsluCounter, 5503 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3456 SdHoareTripleChecker+Valid, 13895 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:08:54,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3456 Valid, 13895 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1390 Invalid, 7 Unknown, 0 Unchecked, 36.1s Time] [2022-11-22 02:08:54,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79259 states. [2022-11-22 02:08:58,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79259 to 79201. [2022-11-22 02:08:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79201 states, 48216 states have (on average 1.2868549858967977) internal successors, (62047), 49451 states have internal predecessors, (62047), 26290 states have call successors, (26290), 4761 states have call predecessors, (26290), 4694 states have return successors, (26617), 26086 states have call predecessors, (26617), 26279 states have call successors, (26617) [2022-11-22 02:08:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79201 states to 79201 states and 114954 transitions. [2022-11-22 02:08:58,950 INFO L78 Accepts]: Start accepts. Automaton has 79201 states and 114954 transitions. Word has length 295 [2022-11-22 02:08:58,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:08:58,951 INFO L495 AbstractCegarLoop]: Abstraction has 79201 states and 114954 transitions. [2022-11-22 02:08:58,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 02:08:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 79201 states and 114954 transitions. [2022-11-22 02:08:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-11-22 02:08:58,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:08:58,967 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 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] [2022-11-22 02:08:58,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:08:58,967 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:08:58,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:08:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1665365394, now seen corresponding path program 1 times [2022-11-22 02:08:58,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:08:58,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270403252] [2022-11-22 02:08:58,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:08:58,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2022-11-22 02:09:01,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:01,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270403252] [2022-11-22 02:09:01,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270403252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:01,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:09:01,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:09:01,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492715697] [2022-11-22 02:09:01,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:01,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:09:01,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:01,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:09:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:09:01,372 INFO L87 Difference]: Start difference. First operand 79201 states and 114954 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, (41), 2 states have call predecessors, (41), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-22 02:09:05,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:08,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:12,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:16,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:18,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:21,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:24,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:32,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:35,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:39,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:43,362 INFO L93 Difference]: Finished difference Result 198170 states and 287604 transitions. [2022-11-22 02:09:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:09:43,363 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, (41), 2 states have call predecessors, (41), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 325 [2022-11-22 02:09:43,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:44,062 INFO L225 Difference]: With dead ends: 198170 [2022-11-22 02:09:44,062 INFO L226 Difference]: Without dead ends: 119018 [2022-11-22 02:09:44,589 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 [2022-11-22 02:09:44,590 INFO L413 NwaCegarLoop]: 7677 mSDtfsCounter, 5863 mSDsluCounter, 5560 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5872 SdHoareTripleChecker+Valid, 13237 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:44,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5872 Valid, 13237 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1172 Invalid, 7 Unknown, 0 Unchecked, 36.6s Time] [2022-11-22 02:09:44,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119018 states. [2022-11-22 02:09:51,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119018 to 118931. [2022-11-22 02:09:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118931 states, 72388 states have (on average 1.2867602365032877) internal successors, (93146), 74279 states have internal predecessors, (93146), 39490 states have call successors, (39490), 7163 states have call predecessors, (39490), 7052 states have return successors, (39983), 39144 states have call predecessors, (39983), 39479 states have call successors, (39983) [2022-11-22 02:09:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118931 states to 118931 states and 172619 transitions. [2022-11-22 02:09:52,632 INFO L78 Accepts]: Start accepts. Automaton has 118931 states and 172619 transitions. Word has length 325 [2022-11-22 02:09:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:52,633 INFO L495 AbstractCegarLoop]: Abstraction has 118931 states and 172619 transitions. [2022-11-22 02:09:52,634 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, (41), 2 states have call predecessors, (41), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-22 02:09:52,634 INFO L276 IsEmpty]: Start isEmpty. Operand 118931 states and 172619 transitions. [2022-11-22 02:09:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-11-22 02:09:52,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:52,646 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 7, 7, 7, 7, 7, 7, 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] [2022-11-22 02:09:52,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:09:52,646 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:52,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:52,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1004294149, now seen corresponding path program 1 times [2022-11-22 02:09:52,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:52,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464576479] [2022-11-22 02:09:52,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:52,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2022-11-22 02:09:54,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:54,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464576479] [2022-11-22 02:09:54,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464576479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:09:54,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:09:54,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:09:54,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064310949] [2022-11-22 02:09:54,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:09:54,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:09:54,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:54,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:09:54,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:09:54,064 INFO L87 Difference]: Start difference. First operand 118931 states and 172619 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-22 02:09:58,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:00,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:05,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:13,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:15,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:17,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:19,911 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 []